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Finding the Fourth Proportional to 637,769.25, 956,697.62 and 211,304.25

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Solution

The fourth proportional to 637,769.25, 956,697.62 and 211,304.25 is: 316,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,769.25 : 956,697.62 = 211,304.25 : x
  2. Step 2: Convert to fraction form
    637,769.25/956,697.62 = 211,304.25/x
  3. Step 3: Cross multiply
    637,769.25x = 956,697.62 × 211,304.25
  4. Step 4: Simplify right side
    637,769.25x = 202,154,272,014.36
  5. Step 5: Solve for x
    x = 202,154,272,014.36/637,769.25
  6. Step 6: Final answer
    x = 316,970.87

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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.