Home / 370,632.51-555,942.29-90,152.19

Finding the Fourth Proportional to 370,632.51, 555,942.29 and 90,152.19

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Solution

The fourth proportional to 370,632.51, 555,942.29 and 90,152.19 is: 135,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,632.51 : 555,942.29 = 90,152.19 : x
  2. Step 2: Convert to fraction form
    370,632.51/555,942.29 = 90,152.19/x
  3. Step 3: Cross multiply
    370,632.51x = 555,942.29 × 90,152.19
  4. Step 4: Simplify right side
    370,632.51x = 50,119,414,506.35
  5. Step 5: Solve for x
    x = 50,119,414,506.35/370,632.51
  6. Step 6: Final answer
    x = 135,226.71

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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.