Home / 438,701.45-658,065.57-150,509.04

Finding the Fourth Proportional to 438,701.45, 658,065.57 and 150,509.04

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Solution

The fourth proportional to 438,701.45, 658,065.57 and 150,509.04 is: 225,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,701.45 : 658,065.57 = 150,509.04 : x
  2. Step 2: Convert to fraction form
    438,701.45/658,065.57 = 150,509.04/x
  3. Step 3: Cross multiply
    438,701.45x = 658,065.57 × 150,509.04
  4. Step 4: Simplify right side
    438,701.45x = 99,044,820,041.77
  5. Step 5: Solve for x
    x = 99,044,820,041.77/438,701.45
  6. Step 6: Final answer
    x = 225,768.16

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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.