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Finding the Fourth Proportional to 189,549.01, 284,303.98 and 63,175.60

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Solution

The fourth proportional to 189,549.01, 284,303.98 and 63,175.60 is: 94,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,549.01 : 284,303.98 = 63,175.60 : x
  2. Step 2: Convert to fraction form
    189,549.01/284,303.98 = 63,175.60/x
  3. Step 3: Cross multiply
    189,549.01x = 284,303.98 × 63,175.60
  4. Step 4: Simplify right side
    189,549.01x = 17,961,074,518.89
  5. Step 5: Solve for x
    x = 17,961,074,518.89/189,549.01
  6. Step 6: Final answer
    x = 94,756.89

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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.