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Finding the Fourth Proportional to 637,707.16, 956,695.67 and 211,218.83

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Solution

The fourth proportional to 637,707.16, 956,695.67 and 211,218.83 is: 316,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,707.16 : 956,695.67 = 211,218.83 : x
  2. Step 2: Convert to fraction form
    637,707.16/956,695.67 = 211,218.83/x
  3. Step 3: Cross multiply
    637,707.16x = 956,695.67 × 211,218.83
  4. Step 4: Simplify right side
    637,707.16x = 202,072,137,575.25
  5. Step 5: Solve for x
    x = 202,072,137,575.25/637,707.16
  6. Step 6: Final answer
    x = 316,872.93

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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.