Home / 497,018.18-745,553.19-142,085.90

Finding the Fourth Proportional to 497,018.18, 745,553.19 and 142,085.90

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Solution

The fourth proportional to 497,018.18, 745,553.19 and 142,085.90 is: 213,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,018.18 : 745,553.19 = 142,085.90 : x
  2. Step 2: Convert to fraction form
    497,018.18/745,553.19 = 142,085.90/x
  3. Step 3: Cross multiply
    497,018.18x = 745,553.19 × 142,085.90
  4. Step 4: Simplify right side
    497,018.18x = 105,932,592,271.26
  5. Step 5: Solve for x
    x = 105,932,592,271.26/497,018.18
  6. Step 6: Final answer
    x = 213,136.25

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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.