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Finding the Fourth Proportional to 274,366.58, 378,627.55 and 153,507.83

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Solution

The fourth proportional to 274,366.58, 378,627.55 and 153,507.83 is: 211,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,366.58 : 378,627.55 = 153,507.83 : x
  2. Step 2: Convert to fraction form
    274,366.58/378,627.55 = 153,507.83/x
  3. Step 3: Cross multiply
    274,366.58x = 378,627.55 × 153,507.83
  4. Step 4: Simplify right side
    274,366.58x = 58,122,291,301.81
  5. Step 5: Solve for x
    x = 58,122,291,301.81/274,366.58
  6. Step 6: Final answer
    x = 211,841.74

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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.