Home / 263,772.20-395,828.40-145,528.40

Finding the Fourth Proportional to 263,772.20, 395,828.40 and 145,528.40

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Solution

The fourth proportional to 263,772.20, 395,828.40 and 145,528.40 is: 218,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,772.20 : 395,828.40 = 145,528.40 : x
  2. Step 2: Convert to fraction form
    263,772.20/395,828.40 = 145,528.40/x
  3. Step 3: Cross multiply
    263,772.20x = 395,828.40 × 145,528.40
  4. Step 4: Simplify right side
    263,772.20x = 57,604,273,726.56
  5. Step 5: Solve for x
    x = 57,604,273,726.56/263,772.20
  6. Step 6: Final answer
    x = 218,386.45

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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.