Home / 450,821.81-676,322.90-147,236.11

Finding the Fourth Proportional to 450,821.81, 676,322.90 and 147,236.11

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Solution

The fourth proportional to 450,821.81, 676,322.90 and 147,236.11 is: 220,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,821.81 : 676,322.90 = 147,236.11 : x
  2. Step 2: Convert to fraction form
    450,821.81/676,322.90 = 147,236.11/x
  3. Step 3: Cross multiply
    450,821.81x = 676,322.90 × 147,236.11
  4. Step 4: Simplify right side
    450,821.81x = 99,579,152,899.92
  5. Step 5: Solve for x
    x = 99,579,152,899.92/450,821.81
  6. Step 6: Final answer
    x = 220,883.62

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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.