Home / 331,531.89-457,393.93-216,875.85

Finding the Fourth Proportional to 331,531.89, 457,393.93 and 216,875.85

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Solution

The fourth proportional to 331,531.89, 457,393.93 and 216,875.85 is: 299,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,531.89 : 457,393.93 = 216,875.85 : x
  2. Step 2: Convert to fraction form
    331,531.89/457,393.93 = 216,875.85/x
  3. Step 3: Cross multiply
    331,531.89x = 457,393.93 × 216,875.85
  4. Step 4: Simplify right side
    331,531.89x = 99,197,697,353.59
  5. Step 5: Solve for x
    x = 99,197,697,353.59/331,531.89
  6. Step 6: Final answer
    x = 299,210.12

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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.