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Finding the Fourth Proportional to 372,847.60, 559,271.40 and 162,895.60

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Solution

The fourth proportional to 372,847.60, 559,271.40 and 162,895.60 is: 244,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,847.60 : 559,271.40 = 162,895.60 : x
  2. Step 2: Convert to fraction form
    372,847.60/559,271.40 = 162,895.60/x
  3. Step 3: Cross multiply
    372,847.60x = 559,271.40 × 162,895.60
  4. Step 4: Simplify right side
    372,847.60x = 91,102,850,265.84
  5. Step 5: Solve for x
    x = 91,102,850,265.84/372,847.60
  6. Step 6: Final answer
    x = 244,343.40

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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.