Home / 281,400.59-421,947.78-101,461.52

Finding the Fourth Proportional to 281,400.59, 421,947.78 and 101,461.52

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Solution

The fourth proportional to 281,400.59, 421,947.78 and 101,461.52 is: 152,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,400.59 : 421,947.78 = 101,461.52 : x
  2. Step 2: Convert to fraction form
    281,400.59/421,947.78 = 101,461.52/x
  3. Step 3: Cross multiply
    281,400.59x = 421,947.78 × 101,461.52
  4. Step 4: Simplify right side
    281,400.59x = 42,811,463,119.43
  5. Step 5: Solve for x
    x = 42,811,463,119.43/281,400.59
  6. Step 6: Final answer
    x = 152,137.08

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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.