Home / 282,734.28-390,264.21-181,033.65

Finding the Fourth Proportional to 282,734.28, 390,264.21 and 181,033.65

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Solution

The fourth proportional to 282,734.28, 390,264.21 and 181,033.65 is: 249,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,734.28 : 390,264.21 = 181,033.65 : x
  2. Step 2: Convert to fraction form
    282,734.28/390,264.21 = 181,033.65/x
  3. Step 3: Cross multiply
    282,734.28x = 390,264.21 × 181,033.65
  4. Step 4: Simplify right side
    282,734.28x = 70,650,954,400.67
  5. Step 5: Solve for x
    x = 70,650,954,400.67/282,734.28
  6. Step 6: Final answer
    x = 249,884.64

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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.