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Finding the Fourth Proportional to 273,055.28, 376,770.64 and 152,170.08

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Solution

The fourth proportional to 273,055.28, 376,770.64 and 152,170.08 is: 209,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,055.28 : 376,770.64 = 152,170.08 : x
  2. Step 2: Convert to fraction form
    273,055.28/376,770.64 = 152,170.08/x
  3. Step 3: Cross multiply
    273,055.28x = 376,770.64 × 152,170.08
  4. Step 4: Simplify right side
    273,055.28x = 57,333,218,430.45
  5. Step 5: Solve for x
    x = 57,333,218,430.45/273,055.28
  6. Step 6: Final answer
    x = 209,969.27

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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.