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Finding the Fourth Proportional to 260,812.56, 360,141.96 and 165,488.40

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Solution

The fourth proportional to 260,812.56, 360,141.96 and 165,488.40 is: 228,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,812.56 : 360,141.96 = 165,488.40 : x
  2. Step 2: Convert to fraction form
    260,812.56/360,141.96 = 165,488.40/x
  3. Step 3: Cross multiply
    260,812.56x = 360,141.96 × 165,488.40
  4. Step 4: Simplify right side
    260,812.56x = 59,599,316,733.26
  5. Step 5: Solve for x
    x = 59,599,316,733.26/260,812.56
  6. Step 6: Final answer
    x = 228,513.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.