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Finding the Fourth Proportional to 210,028.98, 314,948.70 and 60,234.88

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Solution

The fourth proportional to 210,028.98, 314,948.70 and 60,234.88 is: 90,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,028.98 : 314,948.70 = 60,234.88 : x
  2. Step 2: Convert to fraction form
    210,028.98/314,948.70 = 60,234.88/x
  3. Step 3: Cross multiply
    210,028.98x = 314,948.70 × 60,234.88
  4. Step 4: Simplify right side
    210,028.98x = 18,970,897,150.66
  5. Step 5: Solve for x
    x = 18,970,897,150.66/210,028.98
  6. Step 6: Final answer
    x = 90,325.14

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1.5x scale

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.