Home / 376,073.47-518,988.41-230,806.45

Finding the Fourth Proportional to 376,073.47, 518,988.41 and 230,806.45

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Solution

The fourth proportional to 376,073.47, 518,988.41 and 230,806.45 is: 318,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,073.47 : 518,988.41 = 230,806.45 : x
  2. Step 2: Convert to fraction form
    376,073.47/518,988.41 = 230,806.45/x
  3. Step 3: Cross multiply
    376,073.47x = 518,988.41 × 230,806.45
  4. Step 4: Simplify right side
    376,073.47x = 119,785,872,503.25
  5. Step 5: Solve for x
    x = 119,785,872,503.25/376,073.47
  6. Step 6: Final answer
    x = 318,517.21

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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.