Home / 651,379.59-977,162.13-202,139.28

Finding the Fourth Proportional to 651,379.59, 977,162.13 and 202,139.28

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Solution

The fourth proportional to 651,379.59, 977,162.13 and 202,139.28 is: 303,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,379.59 : 977,162.13 = 202,139.28 : x
  2. Step 2: Convert to fraction form
    651,379.59/977,162.13 = 202,139.28/x
  3. Step 3: Cross multiply
    651,379.59x = 977,162.13 × 202,139.28
  4. Step 4: Simplify right side
    651,379.59x = 197,522,849,401.47
  5. Step 5: Solve for x
    x = 197,522,849,401.47/651,379.59
  6. Step 6: Final answer
    x = 303,237.70

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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.