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Finding the Fourth Proportional to 294,775.72, 406,675.02 and 181,401.64

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Solution

The fourth proportional to 294,775.72, 406,675.02 and 181,401.64 is: 250,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,775.72 : 406,675.02 = 181,401.64 : x
  2. Step 2: Convert to fraction form
    294,775.72/406,675.02 = 181,401.64/x
  3. Step 3: Cross multiply
    294,775.72x = 406,675.02 × 181,401.64
  4. Step 4: Simplify right side
    294,775.72x = 73,771,515,575.03
  5. Step 5: Solve for x
    x = 73,771,515,575.03/294,775.72
  6. Step 6: Final answer
    x = 250,263.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.