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Finding the Fourth Proportional to 637,489.60, 956,235.04 and 164,176

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Solution

The fourth proportional to 637,489.60, 956,235.04 and 164,176 is: 246,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,489.60 : 956,235.04 = 164,176 : x
  2. Step 2: Convert to fraction form
    637,489.60/956,235.04 = 164,176/x
  3. Step 3: Cross multiply
    637,489.60x = 956,235.04 × 164,176
  4. Step 4: Simplify right side
    637,489.60x = 156,990,843,927.04
  5. Step 5: Solve for x
    x = 156,990,843,927.04/637,489.60
  6. Step 6: Final answer
    x = 246,264.16

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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.