Home / 286,014.24-429,024.20-86,335.67

Finding the Fourth Proportional to 286,014.24, 429,024.20 and 86,335.67

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Solution

The fourth proportional to 286,014.24, 429,024.20 and 86,335.67 is: 129,504.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,014.24 : 429,024.20 = 86,335.67 : x
  2. Step 2: Convert to fraction form
    286,014.24/429,024.20 = 86,335.67/x
  3. Step 3: Cross multiply
    286,014.24x = 429,024.20 × 86,335.67
  4. Step 4: Simplify right side
    286,014.24x = 37,040,092,394.10
  5. Step 5: Solve for x
    x = 37,040,092,394.10/286,014.24
  6. Step 6: Final answer
    x = 129,504.36

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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.