Home / 255,890.80-383,836.20-167,244.40

Finding the Fourth Proportional to 255,890.80, 383,836.20 and 167,244.40

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Solution

The fourth proportional to 255,890.80, 383,836.20 and 167,244.40 is: 250,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,890.80 : 383,836.20 = 167,244.40 : x
  2. Step 2: Convert to fraction form
    255,890.80/383,836.20 = 167,244.40/x
  3. Step 3: Cross multiply
    255,890.80x = 383,836.20 × 167,244.40
  4. Step 4: Simplify right side
    255,890.80x = 64,194,454,967.28
  5. Step 5: Solve for x
    x = 64,194,454,967.28/255,890.80
  6. Step 6: Final answer
    x = 250,866.60

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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.