Home / 621,245.02-931,763.73-172,011.30

Finding the Fourth Proportional to 621,245.02, 931,763.73 and 172,011.30

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Solution

The fourth proportional to 621,245.02, 931,763.73 and 172,011.30 is: 257,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,245.02 : 931,763.73 = 172,011.30 : x
  2. Step 2: Convert to fraction form
    621,245.02/931,763.73 = 172,011.30/x
  3. Step 3: Cross multiply
    621,245.02x = 931,763.73 × 172,011.30
  4. Step 4: Simplify right side
    621,245.02x = 160,273,890,490.15
  5. Step 5: Solve for x
    x = 160,273,890,490.15/621,245.02
  6. Step 6: Final answer
    x = 257,988.21

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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.