Home / 284,513.14-392,636.10-157,196.98

Finding the Fourth Proportional to 284,513.14, 392,636.10 and 157,196.98

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Solution

The fourth proportional to 284,513.14, 392,636.10 and 157,196.98 is: 216,936.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,513.14 : 392,636.10 = 157,196.98 : x
  2. Step 2: Convert to fraction form
    284,513.14/392,636.10 = 157,196.98/x
  3. Step 3: Cross multiply
    284,513.14x = 392,636.10 × 157,196.98
  4. Step 4: Simplify right side
    284,513.14x = 61,721,209,158.98
  5. Step 5: Solve for x
    x = 61,721,209,158.98/284,513.14
  6. Step 6: Final answer
    x = 216,936.23

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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.