Home / 307,454.04-424,248.84-171,456.12

Finding the Fourth Proportional to 307,454.04, 424,248.84 and 171,456.12

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Solution

The fourth proportional to 307,454.04, 424,248.84 and 171,456.12 is: 236,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,454.04 : 424,248.84 = 171,456.12 : x
  2. Step 2: Convert to fraction form
    307,454.04/424,248.84 = 171,456.12/x
  3. Step 3: Cross multiply
    307,454.04x = 424,248.84 × 171,456.12
  4. Step 4: Simplify right side
    307,454.04x = 72,740,060,020.90
  5. Step 5: Solve for x
    x = 72,740,060,020.90/307,454.04
  6. Step 6: Final answer
    x = 236,588.40

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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.