Home / 259,492.41-358,135.29-152,105.31

Finding the Fourth Proportional to 259,492.41, 358,135.29 and 152,105.31

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Solution

The fourth proportional to 259,492.41, 358,135.29 and 152,105.31 is: 209,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,492.41 : 358,135.29 = 152,105.31 : x
  2. Step 2: Convert to fraction form
    259,492.41/358,135.29 = 152,105.31/x
  3. Step 3: Cross multiply
    259,492.41x = 358,135.29 × 152,105.31
  4. Step 4: Simplify right side
    259,492.41x = 54,474,279,307.39
  5. Step 5: Solve for x
    x = 54,474,279,307.39/259,492.41
  6. Step 6: Final answer
    x = 209,926.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.