Home / 485,017.05-727,208.73-232,289.31

Finding the Fourth Proportional to 485,017.05, 727,208.73 and 232,289.31

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Solution

The fourth proportional to 485,017.05, 727,208.73 and 232,289.31 is: 348,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,017.05 : 727,208.73 = 232,289.31 : x
  2. Step 2: Convert to fraction form
    485,017.05/727,208.73 = 232,289.31/x
  3. Step 3: Cross multiply
    485,017.05x = 727,208.73 × 232,289.31
  4. Step 4: Simplify right side
    485,017.05x = 168,922,814,117.68
  5. Step 5: Solve for x
    x = 168,922,814,117.68/485,017.05
  6. Step 6: Final answer
    x = 348,282.22

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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.