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Finding the Fourth Proportional to 273,756.66, 377,780.18 and 152,899.62

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Solution

The fourth proportional to 273,756.66, 377,780.18 and 152,899.62 is: 210,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,756.66 : 377,780.18 = 152,899.62 : x
  2. Step 2: Convert to fraction form
    273,756.66/377,780.18 = 152,899.62/x
  3. Step 3: Cross multiply
    273,756.66x = 377,780.18 × 152,899.62
  4. Step 4: Simplify right side
    273,756.66x = 57,762,447,401.91
  5. Step 5: Solve for x
    x = 57,762,447,401.91/273,756.66
  6. Step 6: Final answer
    x = 210,999.24

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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.