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Finding the Fourth Proportional to 273,486.56, 377,430.39 and 152,651.43

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Solution

The fourth proportional to 273,486.56, 377,430.39 and 152,651.43 is: 210,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,486.56 : 377,430.39 = 152,651.43 : x
  2. Step 2: Convert to fraction form
    273,486.56/377,430.39 = 152,651.43/x
  3. Step 3: Cross multiply
    273,486.56x = 377,430.39 × 152,651.43
  4. Step 4: Simplify right side
    273,486.56x = 57,615,288,758.96
  5. Step 5: Solve for x
    x = 57,615,288,758.96/273,486.56
  6. Step 6: Final answer
    x = 210,669.55

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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.