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Finding the Fourth Proportional to 318,762.46, 478,032.18 and 94,063.06

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Solution

The fourth proportional to 318,762.46, 478,032.18 and 94,063.06 is: 141,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,762.46 : 478,032.18 = 94,063.06 : x
  2. Step 2: Convert to fraction form
    318,762.46/478,032.18 = 94,063.06/x
  3. Step 3: Cross multiply
    318,762.46x = 478,032.18 × 94,063.06
  4. Step 4: Simplify right side
    318,762.46x = 44,965,169,629.27
  5. Step 5: Solve for x
    x = 44,965,169,629.27/318,762.46
  6. Step 6: Final answer
    x = 141,061.68

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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.