Home / 406,349.88-609,564.92-140,075.34

Finding the Fourth Proportional to 406,349.88, 609,564.92 and 140,075.34

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Solution

The fourth proportional to 406,349.88, 609,564.92 and 140,075.34 is: 210,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,349.88 : 609,564.92 = 140,075.34 : x
  2. Step 2: Convert to fraction form
    406,349.88/609,564.92 = 140,075.34/x
  3. Step 3: Cross multiply
    406,349.88x = 609,564.92 × 140,075.34
  4. Step 4: Simplify right side
    406,349.88x = 85,385,012,720.70
  5. Step 5: Solve for x
    x = 85,385,012,720.70/406,349.88
  6. Step 6: Final answer
    x = 210,126.83

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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.