Home / 283,869.64-391,742.70-156,549.64

Finding the Fourth Proportional to 283,869.64, 391,742.70 and 156,549.64

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Solution

The fourth proportional to 283,869.64, 391,742.70 and 156,549.64 is: 216,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,869.64 : 391,742.70 = 156,549.64 : x
  2. Step 2: Convert to fraction form
    283,869.64/391,742.70 = 156,549.64/x
  3. Step 3: Cross multiply
    283,869.64x = 391,742.70 × 156,549.64
  4. Step 4: Simplify right side
    283,869.64x = 61,327,178,657.63
  5. Step 5: Solve for x
    x = 61,327,178,657.63/283,869.64
  6. Step 6: Final answer
    x = 216,039.94

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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.