Home / 288,160.12-431,876.59-146,041.11

Finding the Fourth Proportional to 288,160.12, 431,876.59 and 146,041.11

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Solution

The fourth proportional to 288,160.12, 431,876.59 and 146,041.11 is: 218,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,160.12 : 431,876.59 = 146,041.11 : x
  2. Step 2: Convert to fraction form
    288,160.12/431,876.59 = 146,041.11/x
  3. Step 3: Cross multiply
    288,160.12x = 431,876.59 × 146,041.11
  4. Step 4: Simplify right side
    288,160.12x = 63,071,736,586.61
  5. Step 5: Solve for x
    x = 63,071,736,586.61/288,160.12
  6. Step 6: Final answer
    x = 218,877.40

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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.