Home / 496,945.10-745,424.13-141,970.70

Finding the Fourth Proportional to 496,945.10, 745,424.13 and 141,970.70

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Solution

The fourth proportional to 496,945.10, 745,424.13 and 141,970.70 is: 212,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,945.10 : 745,424.13 = 141,970.70 : x
  2. Step 2: Convert to fraction form
    496,945.10/745,424.13 = 141,970.70/x
  3. Step 3: Cross multiply
    496,945.10x = 745,424.13 × 141,970.70
  4. Step 4: Simplify right side
    496,945.10x = 105,828,385,532.99
  5. Step 5: Solve for x
    x = 105,828,385,532.99/496,945.10
  6. Step 6: Final answer
    x = 212,957.90

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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.