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Finding the Fourth Proportional to 273,494.16, 377,421.12 and 152,634.12

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Solution

The fourth proportional to 273,494.16, 377,421.12 and 152,634.12 is: 210,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,494.16 : 377,421.12 = 152,634.12 : x
  2. Step 2: Convert to fraction form
    273,494.16/377,421.12 = 152,634.12/x
  3. Step 3: Cross multiply
    273,494.16x = 377,421.12 × 152,634.12
  4. Step 4: Simplify right side
    273,494.16x = 57,607,340,520.61
  5. Step 5: Solve for x
    x = 57,607,340,520.61/273,494.16
  6. Step 6: Final answer
    x = 210,634.63

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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.