Home / 286,002.40-429,040.04-108,560.16

Finding the Fourth Proportional to 286,002.40, 429,040.04 and 108,560.16

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Solution

The fourth proportional to 286,002.40, 429,040.04 and 108,560.16 is: 162,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,002.40 : 429,040.04 = 108,560.16 : x
  2. Step 2: Convert to fraction form
    286,002.40/429,040.04 = 108,560.16/x
  3. Step 3: Cross multiply
    286,002.40x = 429,040.04 × 108,560.16
  4. Step 4: Simplify right side
    286,002.40x = 46,576,655,388.81
  5. Step 5: Solve for x
    x = 46,576,655,388.81/286,002.40
  6. Step 6: Final answer
    x = 162,854.07

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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.