Home / 931,228.48-1,396,877.28-300,151.36

Finding the Fourth Proportional to 931,228.48, 1,396,877.28 and 300,151.36

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Solution

The fourth proportional to 931,228.48, 1,396,877.28 and 300,151.36 is: 450,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,228.48 : 1,396,877.28 = 300,151.36 : x
  2. Step 2: Convert to fraction form
    931,228.48/1,396,877.28 = 300,151.36/x
  3. Step 3: Cross multiply
    931,228.48x = 1,396,877.28 × 300,151.36
  4. Step 4: Simplify right side
    931,228.48x = 419,274,615,345.10
  5. Step 5: Solve for x
    x = 419,274,615,345.10/931,228.48
  6. Step 6: Final answer
    x = 450,238.18

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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.