Home / 342,743.13-514,237.82-153,187.74

Finding the Fourth Proportional to 342,743.13, 514,237.82 and 153,187.74

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Solution

The fourth proportional to 342,743.13, 514,237.82 and 153,187.74 is: 229,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,743.13 : 514,237.82 = 153,187.74 : x
  2. Step 2: Convert to fraction form
    342,743.13/514,237.82 = 153,187.74/x
  3. Step 3: Cross multiply
    342,743.13x = 514,237.82 × 153,187.74
  4. Step 4: Simplify right side
    342,743.13x = 78,774,928,702.39
  5. Step 5: Solve for x
    x = 78,774,928,702.39/342,743.13
  6. Step 6: Final answer
    x = 229,836.64

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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.