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Finding the Fourth Proportional to 247,415.58, 371,123.73 and 89,607.06

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Solution

The fourth proportional to 247,415.58, 371,123.73 and 89,607.06 is: 134,410.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,415.58 : 371,123.73 = 89,607.06 : x
  2. Step 2: Convert to fraction form
    247,415.58/371,123.73 = 89,607.06/x
  3. Step 3: Cross multiply
    247,415.58x = 371,123.73 × 89,607.06
  4. Step 4: Simplify right side
    247,415.58x = 33,255,306,341.53
  5. Step 5: Solve for x
    x = 33,255,306,341.53/247,415.58
  6. Step 6: Final answer
    x = 134,410.72

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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.