Home / 245,314.18-338,536.74-137,877.94

Finding the Fourth Proportional to 245,314.18, 338,536.74 and 137,877.94

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Solution

The fourth proportional to 245,314.18, 338,536.74 and 137,877.94 is: 190,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,314.18 : 338,536.74 = 137,877.94 : x
  2. Step 2: Convert to fraction form
    245,314.18/338,536.74 = 137,877.94/x
  3. Step 3: Cross multiply
    245,314.18x = 338,536.74 × 137,877.94
  4. Step 4: Simplify right side
    245,314.18x = 46,676,748,325.52
  5. Step 5: Solve for x
    x = 46,676,748,325.52/245,314.18
  6. Step 6: Final answer
    x = 190,273.34

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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.