Home / 309,237.20-464,009.40-122,254.80

Finding the Fourth Proportional to 309,237.20, 464,009.40 and 122,254.80

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Solution

The fourth proportional to 309,237.20, 464,009.40 and 122,254.80 is: 183,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,237.20 : 464,009.40 = 122,254.80 : x
  2. Step 2: Convert to fraction form
    309,237.20/464,009.40 = 122,254.80/x
  3. Step 3: Cross multiply
    309,237.20x = 464,009.40 × 122,254.80
  4. Step 4: Simplify right side
    309,237.20x = 56,727,376,395.12
  5. Step 5: Solve for x
    x = 56,727,376,395.12/309,237.20
  6. Step 6: Final answer
    x = 183,442.92

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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.