Home / 374,445.20-561,667.80-163,859.60

Finding the Fourth Proportional to 374,445.20, 561,667.80 and 163,859.60

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Solution

The fourth proportional to 374,445.20, 561,667.80 and 163,859.60 is: 245,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,445.20 : 561,667.80 = 163,859.60 : x
  2. Step 2: Convert to fraction form
    374,445.20/561,667.80 = 163,859.60/x
  3. Step 3: Cross multiply
    374,445.20x = 561,667.80 × 163,859.60
  4. Step 4: Simplify right side
    374,445.20x = 92,034,661,040.88
  5. Step 5: Solve for x
    x = 92,034,661,040.88/374,445.20
  6. Step 6: Final answer
    x = 245,789.40

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1.5x scale

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.