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Finding the Fourth Proportional to 630,387.07, 945,587.04 and 181,106.80

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Solution

The fourth proportional to 630,387.07, 945,587.04 and 181,106.80 is: 271,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,387.07 : 945,587.04 = 181,106.80 : x
  2. Step 2: Convert to fraction form
    630,387.07/945,587.04 = 181,106.80/x
  3. Step 3: Cross multiply
    630,387.07x = 945,587.04 × 181,106.80
  4. Step 4: Simplify right side
    630,387.07x = 171,252,242,935.87
  5. Step 5: Solve for x
    x = 171,252,242,935.87/630,387.07
  6. Step 6: Final answer
    x = 271,662.05

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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.