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Finding the Fourth Proportional to 309,901.00, 464,798.88 and 141,381.72

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Solution

The fourth proportional to 309,901.00, 464,798.88 and 141,381.72 is: 212,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,901.00 : 464,798.88 = 141,381.72 : x
  2. Step 2: Convert to fraction form
    309,901.00/464,798.88 = 141,381.72/x
  3. Step 3: Cross multiply
    309,901.00x = 464,798.88 × 141,381.72
  4. Step 4: Simplify right side
    309,901.00x = 65,714,062,835.30
  5. Step 5: Solve for x
    x = 65,714,062,835.30/309,901.00
  6. Step 6: Final answer
    x = 212,048.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.