Home / 282,581.87-423,873.02-72,220.01

Finding the Fourth Proportional to 282,581.87, 423,873.02 and 72,220.01

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Solution

The fourth proportional to 282,581.87, 423,873.02 and 72,220.01 is: 108,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,581.87 : 423,873.02 = 72,220.01 : x
  2. Step 2: Convert to fraction form
    282,581.87/423,873.02 = 72,220.01/x
  3. Step 3: Cross multiply
    282,581.87x = 423,873.02 × 72,220.01
  4. Step 4: Simplify right side
    282,581.87x = 30,612,113,743.13
  5. Step 5: Solve for x
    x = 30,612,113,743.13/282,581.87
  6. Step 6: Final answer
    x = 108,330.07

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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.