Home / 286,766.05-430,149.77-87,087.95

Finding the Fourth Proportional to 286,766.05, 430,149.77 and 87,087.95

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Solution

The fourth proportional to 286,766.05, 430,149.77 and 87,087.95 is: 130,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,766.05 : 430,149.77 = 87,087.95 : x
  2. Step 2: Convert to fraction form
    286,766.05/430,149.77 = 87,087.95/x
  3. Step 3: Cross multiply
    286,766.05x = 430,149.77 × 87,087.95
  4. Step 4: Simplify right side
    286,766.05x = 37,460,861,226.83
  5. Step 5: Solve for x
    x = 37,460,861,226.83/286,766.05
  6. Step 6: Final answer
    x = 130,632.14

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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.