Home / 370,684.92-556,066.26-121,386.36

Finding the Fourth Proportional to 370,684.92, 556,066.26 and 121,386.36

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Solution

The fourth proportional to 370,684.92, 556,066.26 and 121,386.36 is: 182,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,684.92 : 556,066.26 = 121,386.36 : x
  2. Step 2: Convert to fraction form
    370,684.92/556,066.26 = 121,386.36/x
  3. Step 3: Cross multiply
    370,684.92x = 556,066.26 × 121,386.36
  4. Step 4: Simplify right side
    370,684.92x = 67,498,859,220.21
  5. Step 5: Solve for x
    x = 67,498,859,220.21/370,684.92
  6. Step 6: Final answer
    x = 182,092.27

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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.