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Finding the Fourth Proportional to 270,230.18, 372,877.70 and 153,944.69

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Solution

The fourth proportional to 270,230.18, 372,877.70 and 153,944.69 is: 212,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,230.18 : 372,877.70 = 153,944.69 : x
  2. Step 2: Convert to fraction form
    270,230.18/372,877.70 = 153,944.69/x
  3. Step 3: Cross multiply
    270,230.18x = 372,877.70 × 153,944.69
  4. Step 4: Simplify right side
    270,230.18x = 57,402,539,300.30
  5. Step 5: Solve for x
    x = 57,402,539,300.30/270,230.18
  6. Step 6: Final answer
    x = 212,420.91

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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.