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Finding the Fourth Proportional to 153,285.37, 231,367.76 and 153,285.37

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Solution

The fourth proportional to 153,285.37, 231,367.76 and 153,285.37 is: 231,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,285.37 : 231,367.76 = 153,285.37 : x
  2. Step 2: Convert to fraction form
    153,285.37/231,367.76 = 153,285.37/x
  3. Step 3: Cross multiply
    153,285.37x = 231,367.76 × 153,285.37
  4. Step 4: Simplify right side
    153,285.37x = 35,465,292,697.67
  5. Step 5: Solve for x
    x = 35,465,292,697.67/153,285.37
  6. Step 6: Final answer
    x = 231,367.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.