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Finding the Fourth Proportional to 494,170.47, 740,746.62 and 194,529.60

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Solution

The fourth proportional to 494,170.47, 740,746.62 and 194,529.60 is: 291,594.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,170.47 : 740,746.62 = 194,529.60 : x
  2. Step 2: Convert to fraction form
    494,170.47/740,746.62 = 194,529.60/x
  3. Step 3: Cross multiply
    494,170.47x = 740,746.62 × 194,529.60
  4. Step 4: Simplify right side
    494,170.47x = 144,097,143,689.95
  5. Step 5: Solve for x
    x = 144,097,143,689.95/494,170.47
  6. Step 6: Final answer
    x = 291,594.00

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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.