Home / 255,630.30-383,445.45-148,904.70

Finding the Fourth Proportional to 255,630.30, 383,445.45 and 148,904.70

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Solution

The fourth proportional to 255,630.30, 383,445.45 and 148,904.70 is: 223,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,630.30 : 383,445.45 = 148,904.70 : x
  2. Step 2: Convert to fraction form
    255,630.30/383,445.45 = 148,904.70/x
  3. Step 3: Cross multiply
    255,630.30x = 383,445.45 × 148,904.70
  4. Step 4: Simplify right side
    255,630.30x = 57,096,829,698.62
  5. Step 5: Solve for x
    x = 57,096,829,698.62/255,630.30
  6. Step 6: Final answer
    x = 223,357.05

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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.