Home / 292,282.20-438,423.30-243,074.70

Finding the Fourth Proportional to 292,282.20, 438,423.30 and 243,074.70

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Solution

The fourth proportional to 292,282.20, 438,423.30 and 243,074.70 is: 364,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,282.20 : 438,423.30 = 243,074.70 : x
  2. Step 2: Convert to fraction form
    292,282.20/438,423.30 = 243,074.70/x
  3. Step 3: Cross multiply
    292,282.20x = 438,423.30 × 243,074.70
  4. Step 4: Simplify right side
    292,282.20x = 106,569,612,120.51
  5. Step 5: Solve for x
    x = 106,569,612,120.51/292,282.20
  6. Step 6: Final answer
    x = 364,612.05

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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.