Home / 283,802.02-391,639.29-156,475.46

Finding the Fourth Proportional to 283,802.02, 391,639.29 and 156,475.46

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Solution

The fourth proportional to 283,802.02, 391,639.29 and 156,475.46 is: 215,932.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,802.02 : 391,639.29 = 156,475.46 : x
  2. Step 2: Convert to fraction form
    283,802.02/391,639.29 = 156,475.46/x
  3. Step 3: Cross multiply
    283,802.02x = 391,639.29 × 156,475.46
  4. Step 4: Simplify right side
    283,802.02x = 61,281,938,056.82
  5. Step 5: Solve for x
    x = 61,281,938,056.82/283,802.02
  6. Step 6: Final answer
    x = 215,932.00

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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.