Home / 497,319.42-745,986.28-142,333.68

Finding the Fourth Proportional to 497,319.42, 745,986.28 and 142,333.68

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Solution

The fourth proportional to 497,319.42, 745,986.28 and 142,333.68 is: 213,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,319.42 : 745,986.28 = 142,333.68 : x
  2. Step 2: Convert to fraction form
    497,319.42/745,986.28 = 142,333.68/x
  3. Step 3: Cross multiply
    497,319.42x = 745,986.28 × 142,333.68
  4. Step 4: Simplify right side
    497,319.42x = 106,178,972,461.91
  5. Step 5: Solve for x
    x = 106,178,972,461.91/497,319.42
  6. Step 6: Final answer
    x = 213,502.57

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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.