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Finding the Fourth Proportional to 649,617.70, 974,427.04 and 176,303.06

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Solution

The fourth proportional to 649,617.70, 974,427.04 and 176,303.06 is: 264,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,617.70 : 974,427.04 = 176,303.06 : x
  2. Step 2: Convert to fraction form
    649,617.70/974,427.04 = 176,303.06/x
  3. Step 3: Cross multiply
    649,617.70x = 974,427.04 × 176,303.06
  4. Step 4: Simplify right side
    649,617.70x = 171,794,468,898.74
  5. Step 5: Solve for x
    x = 171,794,468,898.74/649,617.70
  6. Step 6: Final answer
    x = 264,454.72

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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.