Home / 340,432.29-509,226.28-239,223.22

Finding the Fourth Proportional to 340,432.29, 509,226.28 and 239,223.22

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Solution

The fourth proportional to 340,432.29, 509,226.28 and 239,223.22 is: 357,835.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,432.29 : 509,226.28 = 239,223.22 : x
  2. Step 2: Convert to fraction form
    340,432.29/509,226.28 = 239,223.22/x
  3. Step 3: Cross multiply
    340,432.29x = 509,226.28 × 239,223.22
  4. Step 4: Simplify right side
    340,432.29x = 121,818,750,410.22
  5. Step 5: Solve for x
    x = 121,818,750,410.22/340,432.29
  6. Step 6: Final answer
    x = 357,835.48

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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.