Home / 283,373.02-391,054.80-156,047.50

Finding the Fourth Proportional to 283,373.02, 391,054.80 and 156,047.50

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Solution

The fourth proportional to 283,373.02, 391,054.80 and 156,047.50 is: 215,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,373.02 : 391,054.80 = 156,047.50 : x
  2. Step 2: Convert to fraction form
    283,373.02/391,054.80 = 156,047.50/x
  3. Step 3: Cross multiply
    283,373.02x = 391,054.80 × 156,047.50
  4. Step 4: Simplify right side
    283,373.02x = 61,023,123,903
  5. Step 5: Solve for x
    x = 61,023,123,903/283,373.02
  6. Step 6: Final answer
    x = 215,345.57

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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.