Home / 398,747.06-598,152.99-118,263.50

Finding the Fourth Proportional to 398,747.06, 598,152.99 and 118,263.50

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Solution

The fourth proportional to 398,747.06, 598,152.99 and 118,263.50 is: 177,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,747.06 : 598,152.99 = 118,263.50 : x
  2. Step 2: Convert to fraction form
    398,747.06/598,152.99 = 118,263.50/x
  3. Step 3: Cross multiply
    398,747.06x = 598,152.99 × 118,263.50
  4. Step 4: Simplify right side
    398,747.06x = 70,739,666,132.87
  5. Step 5: Solve for x
    x = 70,739,666,132.87/398,747.06
  6. Step 6: Final answer
    x = 177,404.86

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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.