Home / 297,975.38-446,953.10-129,495.72

Finding the Fourth Proportional to 297,975.38, 446,953.10 and 129,495.72

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Solution

The fourth proportional to 297,975.38, 446,953.10 and 129,495.72 is: 194,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,975.38 : 446,953.10 = 129,495.72 : x
  2. Step 2: Convert to fraction form
    297,975.38/446,953.10 = 129,495.72/x
  3. Step 3: Cross multiply
    297,975.38x = 446,953.10 × 129,495.72
  4. Step 4: Simplify right side
    297,975.38x = 57,878,513,490.73
  5. Step 5: Solve for x
    x = 57,878,513,490.73/297,975.38
  6. Step 6: Final answer
    x = 194,239.25

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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.