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Finding the Fourth Proportional to 291,992.02, 437,988.03 and 70,376.02

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Solution

The fourth proportional to 291,992.02, 437,988.03 and 70,376.02 is: 105,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,992.02 : 437,988.03 = 70,376.02 : x
  2. Step 2: Convert to fraction form
    291,992.02/437,988.03 = 70,376.02/x
  3. Step 3: Cross multiply
    291,992.02x = 437,988.03 × 70,376.02
  4. Step 4: Simplify right side
    291,992.02x = 30,823,854,359.04
  5. Step 5: Solve for x
    x = 30,823,854,359.04/291,992.02
  6. Step 6: Final answer
    x = 105,564.03

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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.