Home / 377,435.40-521,024.24-269,818.80

Finding the Fourth Proportional to 377,435.40, 521,024.24 and 269,818.80

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Solution

The fourth proportional to 377,435.40, 521,024.24 and 269,818.80 is: 372,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,435.40 : 521,024.24 = 269,818.80 : x
  2. Step 2: Convert to fraction form
    377,435.40/521,024.24 = 269,818.80/x
  3. Step 3: Cross multiply
    377,435.40x = 521,024.24 × 269,818.80
  4. Step 4: Simplify right side
    377,435.40x = 140,582,135,207.71
  5. Step 5: Solve for x
    x = 140,582,135,207.71/377,435.40
  6. Step 6: Final answer
    x = 372,466.75

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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.