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Finding the Fourth Proportional to 150,330.30, 207,459.16 and 85,798.25

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Solution

The fourth proportional to 150,330.30, 207,459.16 and 85,798.25 is: 118,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,330.30 : 207,459.16 = 85,798.25 : x
  2. Step 2: Convert to fraction form
    150,330.30/207,459.16 = 85,798.25/x
  3. Step 3: Cross multiply
    150,330.30x = 207,459.16 × 85,798.25
  4. Step 4: Simplify right side
    150,330.30x = 17,799,633,054.35
  5. Step 5: Solve for x
    x = 17,799,633,054.35/150,330.30
  6. Step 6: Final answer
    x = 118,403.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.