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Finding the Fourth Proportional to 560,502.40, 840,888 and 161,135.04

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Solution

The fourth proportional to 560,502.40, 840,888 and 161,135.04 is: 241,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,502.40 : 840,888 = 161,135.04 : x
  2. Step 2: Convert to fraction form
    560,502.40/840,888 = 161,135.04/x
  3. Step 3: Cross multiply
    560,502.40x = 840,888 × 161,135.04
  4. Step 4: Simplify right side
    560,502.40x = 135,496,521,515.52
  5. Step 5: Solve for x
    x = 135,496,521,515.52/560,502.40
  6. Step 6: Final answer
    x = 241,741.20

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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.