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Finding the Fourth Proportional to 273,806.40, 377,851.21 and 152,947.32

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Solution

The fourth proportional to 273,806.40, 377,851.21 and 152,947.32 is: 211,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,806.40 : 377,851.21 = 152,947.32 : x
  2. Step 2: Convert to fraction form
    273,806.40/377,851.21 = 152,947.32/x
  3. Step 3: Cross multiply
    273,806.40x = 377,851.21 × 152,947.32
  4. Step 4: Simplify right side
    273,806.40x = 57,791,329,928.26
  5. Step 5: Solve for x
    x = 57,791,329,928.26/273,806.40
  6. Step 6: Final answer
    x = 211,066.40

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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.