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Finding the Fourth Proportional to 291,691.02, 437,536.67 and 70,075.02

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Solution

The fourth proportional to 291,691.02, 437,536.67 and 70,075.02 is: 105,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,691.02 : 437,536.67 = 70,075.02 : x
  2. Step 2: Convert to fraction form
    291,691.02/437,536.67 = 70,075.02/x
  3. Step 3: Cross multiply
    291,691.02x = 437,536.67 × 70,075.02
  4. Step 4: Simplify right side
    291,691.02x = 30,660,390,900.98
  5. Step 5: Solve for x
    x = 30,660,390,900.98/291,691.02
  6. Step 6: Final answer
    x = 105,112.56

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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.