Home / 376,700.12-519,982.63-249,416.72

Finding the Fourth Proportional to 376,700.12, 519,982.63 and 249,416.72

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Solution

The fourth proportional to 376,700.12, 519,982.63 and 249,416.72 is: 344,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,700.12 : 519,982.63 = 249,416.72 : x
  2. Step 2: Convert to fraction form
    376,700.12/519,982.63 = 249,416.72/x
  3. Step 3: Cross multiply
    376,700.12x = 519,982.63 × 249,416.72
  4. Step 4: Simplify right side
    376,700.12x = 129,692,358,808.12
  5. Step 5: Solve for x
    x = 129,692,358,808.12/376,700.12
  6. Step 6: Final answer
    x = 344,285.42

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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.