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Finding the Fourth Proportional to 273,875.98, 377,911.28 and 153,002.24

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Solution

The fourth proportional to 273,875.98, 377,911.28 and 153,002.24 is: 211,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,875.98 : 377,911.28 = 153,002.24 : x
  2. Step 2: Convert to fraction form
    273,875.98/377,911.28 = 153,002.24/x
  3. Step 3: Cross multiply
    273,875.98x = 377,911.28 × 153,002.24
  4. Step 4: Simplify right side
    273,875.98x = 57,821,271,596.26
  5. Step 5: Solve for x
    x = 57,821,271,596.26/273,875.98
  6. Step 6: Final answer
    x = 211,122.10

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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.