Home / 407,180.03-610,636.28-137,235.74

Finding the Fourth Proportional to 407,180.03, 610,636.28 and 137,235.74

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Solution

The fourth proportional to 407,180.03, 610,636.28 and 137,235.74 is: 205,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,180.03 : 610,636.28 = 137,235.74 : x
  2. Step 2: Convert to fraction form
    407,180.03/610,636.28 = 137,235.74/x
  3. Step 3: Cross multiply
    407,180.03x = 610,636.28 × 137,235.74
  4. Step 4: Simplify right side
    407,180.03x = 83,801,118,017.29
  5. Step 5: Solve for x
    x = 83,801,118,017.29/407,180.03
  6. Step 6: Final answer
    x = 205,808.52

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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.