Home / 406,548.96-609,920.28-140,311.76

Finding the Fourth Proportional to 406,548.96, 609,920.28 and 140,311.76

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Solution

The fourth proportional to 406,548.96, 609,920.28 and 140,311.76 is: 210,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,548.96 : 609,920.28 = 140,311.76 : x
  2. Step 2: Convert to fraction form
    406,548.96/609,920.28 = 140,311.76/x
  3. Step 3: Cross multiply
    406,548.96x = 609,920.28 × 140,311.76
  4. Step 4: Simplify right side
    406,548.96x = 85,578,987,946.49
  5. Step 5: Solve for x
    x = 85,578,987,946.49/406,548.96
  6. Step 6: Final answer
    x = 210,501.06

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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.