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Finding the Fourth Proportional to 342,673.92, 514,318.08 and 286,863.36

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Solution

The fourth proportional to 342,673.92, 514,318.08 and 286,863.36 is: 430,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,673.92 : 514,318.08 = 286,863.36 : x
  2. Step 2: Convert to fraction form
    342,673.92/514,318.08 = 286,863.36/x
  3. Step 3: Cross multiply
    342,673.92x = 514,318.08 × 286,863.36
  4. Step 4: Simplify right side
    342,673.92x = 147,539,012,537.55
  5. Step 5: Solve for x
    x = 147,539,012,537.55/342,673.92
  6. Step 6: Final answer
    x = 430,552.21

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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.