Home / 482,263.20-665,139.24-310,200.93

Finding the Fourth Proportional to 482,263.20, 665,139.24 and 310,200.93

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Solution

The fourth proportional to 482,263.20, 665,139.24 and 310,200.93 is: 427,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,263.20 : 665,139.24 = 310,200.93 : x
  2. Step 2: Convert to fraction form
    482,263.20/665,139.24 = 310,200.93/x
  3. Step 3: Cross multiply
    482,263.20x = 665,139.24 × 310,200.93
  4. Step 4: Simplify right side
    482,263.20x = 206,326,810,827.49
  5. Step 5: Solve for x
    x = 206,326,810,827.49/482,263.20
  6. Step 6: Final answer
    x = 427,830.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.