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Finding the Fourth Proportional to 371,526.88, 512,693.40 and 201,757.36

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Solution

The fourth proportional to 371,526.88, 512,693.40 and 201,757.36 is: 278,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,526.88 : 512,693.40 = 201,757.36 : x
  2. Step 2: Convert to fraction form
    371,526.88/512,693.40 = 201,757.36/x
  3. Step 3: Cross multiply
    371,526.88x = 512,693.40 × 201,757.36
  4. Step 4: Simplify right side
    371,526.88x = 103,439,666,873.42
  5. Step 5: Solve for x
    x = 103,439,666,873.42/371,526.88
  6. Step 6: Final answer
    x = 278,417.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.