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Finding the Fourth Proportional to 517,530.80, 776,296.20 and 162,580.70

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Solution

The fourth proportional to 517,530.80, 776,296.20 and 162,580.70 is: 243,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,530.80 : 776,296.20 = 162,580.70 : x
  2. Step 2: Convert to fraction form
    517,530.80/776,296.20 = 162,580.70/x
  3. Step 3: Cross multiply
    517,530.80x = 776,296.20 × 162,580.70
  4. Step 4: Simplify right side
    517,530.80x = 126,210,779,603.34
  5. Step 5: Solve for x
    x = 126,210,779,603.34/517,530.80
  6. Step 6: Final answer
    x = 243,871.05

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.