Home / 443,721.30-665,999.55-233,510.10

Finding the Fourth Proportional to 443,721.30, 665,999.55 and 233,510.10

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Solution

The fourth proportional to 443,721.30, 665,999.55 and 233,510.10 is: 350,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,721.30 : 665,999.55 = 233,510.10 : x
  2. Step 2: Convert to fraction form
    443,721.30/665,999.55 = 233,510.10/x
  3. Step 3: Cross multiply
    443,721.30x = 665,999.55 × 233,510.10
  4. Step 4: Simplify right side
    443,721.30x = 155,517,621,520.46
  5. Step 5: Solve for x
    x = 155,517,621,520.46/443,721.30
  6. Step 6: Final answer
    x = 350,484.91

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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.