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Finding the Fourth Proportional to 318,997.41, 478,496.11 and 94,340.35

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Solution

The fourth proportional to 318,997.41, 478,496.11 and 94,340.35 is: 141,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,997.41 : 478,496.11 = 94,340.35 : x
  2. Step 2: Convert to fraction form
    318,997.41/478,496.11 = 94,340.35/x
  3. Step 3: Cross multiply
    318,997.41x = 478,496.11 × 94,340.35
  4. Step 4: Simplify right side
    318,997.41x = 45,141,490,491.04
  5. Step 5: Solve for x
    x = 45,141,490,491.04/318,997.41
  6. Step 6: Final answer
    x = 141,510.52

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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.