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Finding the Fourth Proportional to 376,775.60, 520,087.02 and 249,492.20

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Solution

The fourth proportional to 376,775.60, 520,087.02 and 249,492.20 is: 344,389.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,775.60 : 520,087.02 = 249,492.20 : x
  2. Step 2: Convert to fraction form
    376,775.60/520,087.02 = 249,492.20/x
  3. Step 3: Cross multiply
    376,775.60x = 520,087.02 × 249,492.20
  4. Step 4: Simplify right side
    376,775.60x = 129,757,654,811.24
  5. Step 5: Solve for x
    x = 129,757,654,811.24/376,775.60
  6. Step 6: Final answer
    x = 344,389.75

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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.