Home / 237,225.60-355,406.40-112,291.20

Finding the Fourth Proportional to 237,225.60, 355,406.40 and 112,291.20

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Solution

The fourth proportional to 237,225.60, 355,406.40 and 112,291.20 is: 168,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,225.60 : 355,406.40 = 112,291.20 : x
  2. Step 2: Convert to fraction form
    237,225.60/355,406.40 = 112,291.20/x
  3. Step 3: Cross multiply
    237,225.60x = 355,406.40 × 112,291.20
  4. Step 4: Simplify right side
    237,225.60x = 39,909,011,143.68
  5. Step 5: Solve for x
    x = 39,909,011,143.68/237,225.60
  6. Step 6: Final answer
    x = 168,232.31

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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.