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Finding the Fourth Proportional to 376,700.74, 519,983.49 and 249,417.34

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Solution

The fourth proportional to 376,700.74, 519,983.49 and 249,417.34 is: 344,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,700.74 : 519,983.49 = 249,417.34 : x
  2. Step 2: Convert to fraction form
    376,700.74/519,983.49 = 249,417.34/x
  3. Step 3: Cross multiply
    376,700.74x = 519,983.49 × 249,417.34
  4. Step 4: Simplify right side
    376,700.74x = 129,692,898,919.72
  5. Step 5: Solve for x
    x = 129,692,898,919.72/376,700.74
  6. Step 6: Final answer
    x = 344,286.29

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1.5x scale

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.