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Finding the Fourth Proportional to 298,017.42, 411,261.80 and 162,051.45

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Solution

The fourth proportional to 298,017.42, 411,261.80 and 162,051.45 is: 223,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,017.42 : 411,261.80 = 162,051.45 : x
  2. Step 2: Convert to fraction form
    298,017.42/411,261.80 = 162,051.45/x
  3. Step 3: Cross multiply
    298,017.42x = 411,261.80 × 162,051.45
  4. Step 4: Simplify right side
    298,017.42x = 66,645,570,209.35
  5. Step 5: Solve for x
    x = 66,645,570,209.35/298,017.42
  6. Step 6: Final answer
    x = 223,629.78

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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.