Home / 282,719.72-390,244.14-181,019.12

Finding the Fourth Proportional to 282,719.72, 390,244.14 and 181,019.12

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Solution

The fourth proportional to 282,719.72, 390,244.14 and 181,019.12 is: 249,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,719.72 : 390,244.14 = 181,019.12 : x
  2. Step 2: Convert to fraction form
    282,719.72/390,244.14 = 181,019.12/x
  3. Step 3: Cross multiply
    282,719.72x = 390,244.14 × 181,019.12
  4. Step 4: Simplify right side
    282,719.72x = 70,641,650,807.96
  5. Step 5: Solve for x
    x = 70,641,650,807.96/282,719.72
  6. Step 6: Final answer
    x = 249,864.60

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1.5x scale

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.