Home / 369,645.60-554,466.78-144,847.20

Finding the Fourth Proportional to 369,645.60, 554,466.78 and 144,847.20

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Solution

The fourth proportional to 369,645.60, 554,466.78 and 144,847.20 is: 217,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,645.60 : 554,466.78 = 144,847.20 : x
  2. Step 2: Convert to fraction form
    369,645.60/554,466.78 = 144,847.20/x
  3. Step 3: Cross multiply
    369,645.60x = 554,466.78 × 144,847.20
  4. Step 4: Simplify right side
    369,645.60x = 80,312,960,576.02
  5. Step 5: Solve for x
    x = 80,312,960,576.02/369,645.60
  6. Step 6: Final answer
    x = 217,270.17

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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.