Home / 152,311.46-228,461.51-39,990.65

Finding the Fourth Proportional to 152,311.46, 228,461.51 and 39,990.65

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Solution

The fourth proportional to 152,311.46, 228,461.51 and 39,990.65 is: 59,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,311.46 : 228,461.51 = 39,990.65 : x
  2. Step 2: Convert to fraction form
    152,311.46/228,461.51 = 39,990.65/x
  3. Step 3: Cross multiply
    152,311.46x = 228,461.51 × 39,990.65
  4. Step 4: Simplify right side
    152,311.46x = 9,136,323,242.55
  5. Step 5: Solve for x
    x = 9,136,323,242.55/152,311.46
  6. Step 6: Final answer
    x = 59,984.48

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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.