Home / 226,289.47-312,244.76-130,777.72

Finding the Fourth Proportional to 226,289.47, 312,244.76 and 130,777.72

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Solution

The fourth proportional to 226,289.47, 312,244.76 and 130,777.72 is: 180,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.47 : 312,244.76 = 130,777.72 : x
  2. Step 2: Convert to fraction form
    226,289.47/312,244.76 = 130,777.72/x
  3. Step 3: Cross multiply
    226,289.47x = 312,244.76 × 130,777.72
  4. Step 4: Simplify right side
    226,289.47x = 40,834,657,140.86
  5. Step 5: Solve for x
    x = 40,834,657,140.86/226,289.47
  6. Step 6: Final answer
    x = 180,453.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.