Home / 340,565.40-510,890.51-115,908.57

Finding the Fourth Proportional to 340,565.40, 510,890.51 and 115,908.57

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Solution

The fourth proportional to 340,565.40, 510,890.51 and 115,908.57 is: 173,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,565.40 : 510,890.51 = 115,908.57 : x
  2. Step 2: Convert to fraction form
    340,565.40/510,890.51 = 115,908.57/x
  3. Step 3: Cross multiply
    340,565.40x = 510,890.51 × 115,908.57
  4. Step 4: Simplify right side
    340,565.40x = 59,216,588,440.67
  5. Step 5: Solve for x
    x = 59,216,588,440.67/340,565.40
  6. Step 6: Final answer
    x = 173,877.29

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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.