Home / 245,317.41-338,547.62-137,887.11

Finding the Fourth Proportional to 245,317.41, 338,547.62 and 137,887.11

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Solution

The fourth proportional to 245,317.41, 338,547.62 and 137,887.11 is: 190,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,317.41 : 338,547.62 = 137,887.11 : x
  2. Step 2: Convert to fraction form
    245,317.41/338,547.62 = 137,887.11/x
  3. Step 3: Cross multiply
    245,317.41x = 338,547.62 × 137,887.11
  4. Step 4: Simplify right side
    245,317.41x = 46,681,353,263.90
  5. Step 5: Solve for x
    x = 46,681,353,263.90/245,317.41
  6. Step 6: Final answer
    x = 190,289.61

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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.