Home / 266,875.90-397,627.33-263,026.78

Finding the Fourth Proportional to 266,875.90, 397,627.33 and 263,026.78

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Solution

The fourth proportional to 266,875.90, 397,627.33 and 263,026.78 is: 391,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,875.90 : 397,627.33 = 263,026.78 : x
  2. Step 2: Convert to fraction form
    266,875.90/397,627.33 = 263,026.78/x
  3. Step 3: Cross multiply
    266,875.90x = 397,627.33 × 263,026.78
  4. Step 4: Simplify right side
    266,875.90x = 104,586,634,934.76
  5. Step 5: Solve for x
    x = 104,586,634,934.76/266,875.90
  6. Step 6: Final answer
    x = 391,892.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.