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Finding the Fourth Proportional to 292,430.82, 403,532.01 and 165,118.98

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Solution

The fourth proportional to 292,430.82, 403,532.01 and 165,118.98 is: 227,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,430.82 : 403,532.01 = 165,118.98 : x
  2. Step 2: Convert to fraction form
    292,430.82/403,532.01 = 165,118.98/x
  3. Step 3: Cross multiply
    292,430.82x = 403,532.01 × 165,118.98
  4. Step 4: Simplify right side
    292,430.82x = 66,630,793,888.55
  5. Step 5: Solve for x
    x = 66,630,793,888.55/292,430.82
  6. Step 6: Final answer
    x = 227,851.48

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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.