Home / 406,350.38-609,565.67-140,075.84

Finding the Fourth Proportional to 406,350.38, 609,565.67 and 140,075.84

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Solution

The fourth proportional to 406,350.38, 609,565.67 and 140,075.84 is: 210,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,350.38 : 609,565.67 = 140,075.84 : x
  2. Step 2: Convert to fraction form
    406,350.38/609,565.67 = 140,075.84/x
  3. Step 3: Cross multiply
    406,350.38x = 609,565.67 × 140,075.84
  4. Step 4: Simplify right side
    406,350.38x = 85,385,423,260.41
  5. Step 5: Solve for x
    x = 85,385,423,260.41/406,350.38
  6. Step 6: Final answer
    x = 210,127.58

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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.