Home / 286,632.20-429,948.30-144,914.60

Finding the Fourth Proportional to 286,632.20, 429,948.30 and 144,914.60

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Solution

The fourth proportional to 286,632.20, 429,948.30 and 144,914.60 is: 217,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,632.20 : 429,948.30 = 144,914.60 : x
  2. Step 2: Convert to fraction form
    286,632.20/429,948.30 = 144,914.60/x
  3. Step 3: Cross multiply
    286,632.20x = 429,948.30 × 144,914.60
  4. Step 4: Simplify right side
    286,632.20x = 62,305,785,915.18
  5. Step 5: Solve for x
    x = 62,305,785,915.18/286,632.20
  6. Step 6: Final answer
    x = 217,371.90

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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.