Home / 497,023.46-745,559.79-142,089.77

Finding the Fourth Proportional to 497,023.46, 745,559.79 and 142,089.77

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Solution

The fourth proportional to 497,023.46, 745,559.79 and 142,089.77 is: 213,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,023.46 : 745,559.79 = 142,089.77 : x
  2. Step 2: Convert to fraction form
    497,023.46/745,559.79 = 142,089.77/x
  3. Step 3: Cross multiply
    497,023.46x = 745,559.79 × 142,089.77
  4. Step 4: Simplify right side
    497,023.46x = 105,936,415,354.55
  5. Step 5: Solve for x
    x = 105,936,415,354.55/497,023.46
  6. Step 6: Final answer
    x = 213,141.68

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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.