Home / 286,244.28-429,444.18-86,571.18

Finding the Fourth Proportional to 286,244.28, 429,444.18 and 86,571.18

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Solution

The fourth proportional to 286,244.28, 429,444.18 and 86,571.18 is: 129,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,244.28 : 429,444.18 = 86,571.18 : x
  2. Step 2: Convert to fraction form
    286,244.28/429,444.18 = 86,571.18/x
  3. Step 3: Cross multiply
    286,244.28x = 429,444.18 × 86,571.18
  4. Step 4: Simplify right side
    286,244.28x = 37,177,489,406.73
  5. Step 5: Solve for x
    x = 37,177,489,406.73/286,244.28
  6. Step 6: Final answer
    x = 129,880.29

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1.5x scale

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.