Home / 406,360.35-609,580.62-140,085.81

Finding the Fourth Proportional to 406,360.35, 609,580.62 and 140,085.81

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Solution

The fourth proportional to 406,360.35, 609,580.62 and 140,085.81 is: 210,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,360.35 : 609,580.62 = 140,085.81 : x
  2. Step 2: Convert to fraction form
    406,360.35/609,580.62 = 140,085.81/x
  3. Step 3: Cross multiply
    406,360.35x = 609,580.62 × 140,085.81
  4. Step 4: Simplify right side
    406,360.35x = 85,393,594,913.00
  5. Step 5: Solve for x
    x = 85,393,594,913.00/406,360.35
  6. Step 6: Final answer
    x = 210,142.54

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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.