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Finding the Fourth Proportional to 371,856, 559,807.32 and 338,788.56

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Solution

The fourth proportional to 371,856, 559,807.32 and 338,788.56 is: 510,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,856 : 559,807.32 = 338,788.56 : x
  2. Step 2: Convert to fraction form
    371,856/559,807.32 = 338,788.56/x
  3. Step 3: Cross multiply
    371,856x = 559,807.32 × 338,788.56
  4. Step 4: Simplify right side
    371,856x = 189,656,315,820.26
  5. Step 5: Solve for x
    x = 189,656,315,820.26/371,856
  6. Step 6: Final answer
    x = 510,026.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.