Home / 263,349.36-363,421.69-148,652.15

Finding the Fourth Proportional to 263,349.36, 363,421.69 and 148,652.15

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Solution

The fourth proportional to 263,349.36, 363,421.69 and 148,652.15 is: 205,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,349.36 : 363,421.69 = 148,652.15 : x
  2. Step 2: Convert to fraction form
    263,349.36/363,421.69 = 148,652.15/x
  3. Step 3: Cross multiply
    263,349.36x = 363,421.69 × 148,652.15
  4. Step 4: Simplify right side
    263,349.36x = 54,023,413,386.39
  5. Step 5: Solve for x
    x = 54,023,413,386.39/263,349.36
  6. Step 6: Final answer
    x = 205,139.72

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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.