Home / 330,211.95-455,740.65-185,027.55

Finding the Fourth Proportional to 330,211.95, 455,740.65 and 185,027.55

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Solution

The fourth proportional to 330,211.95, 455,740.65 and 185,027.55 is: 255,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,211.95 : 455,740.65 = 185,027.55 : x
  2. Step 2: Convert to fraction form
    330,211.95/455,740.65 = 185,027.55/x
  3. Step 3: Cross multiply
    330,211.95x = 455,740.65 × 185,027.55
  4. Step 4: Simplify right side
    330,211.95x = 84,324,575,904.91
  5. Step 5: Solve for x
    x = 84,324,575,904.91/330,211.95
  6. Step 6: Final answer
    x = 255,365.00

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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.