Home / 222,386.10-306,587.74-140,673.71

Finding the Fourth Proportional to 222,386.10, 306,587.74 and 140,673.71

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Solution

The fourth proportional to 222,386.10, 306,587.74 and 140,673.71 is: 193,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,386.10 : 306,587.74 = 140,673.71 : x
  2. Step 2: Convert to fraction form
    222,386.10/306,587.74 = 140,673.71/x
  3. Step 3: Cross multiply
    222,386.10x = 306,587.74 × 140,673.71
  4. Step 4: Simplify right side
    222,386.10x = 43,128,834,826.32
  5. Step 5: Solve for x
    x = 43,128,834,826.32/222,386.10
  6. Step 6: Final answer
    x = 193,936.74

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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.