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Finding the Fourth Proportional to 410,492.37, 615,797.32 and 126,206.79

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Solution

The fourth proportional to 410,492.37, 615,797.32 and 126,206.79 is: 189,328.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,492.37 : 615,797.32 = 126,206.79 : x
  2. Step 2: Convert to fraction form
    410,492.37/615,797.32 = 126,206.79/x
  3. Step 3: Cross multiply
    410,492.37x = 615,797.32 × 126,206.79
  4. Step 4: Simplify right side
    410,492.37x = 77,717,804,478.50
  5. Step 5: Solve for x
    x = 77,717,804,478.50/410,492.37
  6. Step 6: Final answer
    x = 189,328.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.