Home / 284,695.04-392,877.12-157,368.32

Finding the Fourth Proportional to 284,695.04, 392,877.12 and 157,368.32

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Solution

The fourth proportional to 284,695.04, 392,877.12 and 157,368.32 is: 217,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,695.04 : 392,877.12 = 157,368.32 : x
  2. Step 2: Convert to fraction form
    284,695.04/392,877.12 = 157,368.32/x
  3. Step 3: Cross multiply
    284,695.04x = 392,877.12 × 157,368.32
  4. Step 4: Simplify right side
    284,695.04x = 61,826,412,340.84
  5. Step 5: Solve for x
    x = 61,826,412,340.84/284,695.04
  6. Step 6: Final answer
    x = 217,167.16

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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.