Home / 347,666.40-521,499.60-268,934.40

Finding the Fourth Proportional to 347,666.40, 521,499.60 and 268,934.40

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Solution

The fourth proportional to 347,666.40, 521,499.60 and 268,934.40 is: 403,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,666.40 : 521,499.60 = 268,934.40 : x
  2. Step 2: Convert to fraction form
    347,666.40/521,499.60 = 268,934.40/x
  3. Step 3: Cross multiply
    347,666.40x = 521,499.60 × 268,934.40
  4. Step 4: Simplify right side
    347,666.40x = 140,249,182,026.24
  5. Step 5: Solve for x
    x = 140,249,182,026.24/347,666.40
  6. Step 6: Final answer
    x = 403,401.60

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1.5x scale

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.