Home / 316,542.42-436,870.13-180,545.20

Finding the Fourth Proportional to 316,542.42, 436,870.13 and 180,545.20

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Solution

The fourth proportional to 316,542.42, 436,870.13 and 180,545.20 is: 249,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,542.42 : 436,870.13 = 180,545.20 : x
  2. Step 2: Convert to fraction form
    316,542.42/436,870.13 = 180,545.20/x
  3. Step 3: Cross multiply
    316,542.42x = 436,870.13 × 180,545.20
  4. Step 4: Simplify right side
    316,542.42x = 78,874,802,999.97
  5. Step 5: Solve for x
    x = 78,874,802,999.97/316,542.42
  6. Step 6: Final answer
    x = 249,176.09

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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.