Home / 572,640.60-858,742.20-173,148.60

Finding the Fourth Proportional to 572,640.60, 858,742.20 and 173,148.60

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Solution

The fourth proportional to 572,640.60, 858,742.20 and 173,148.60 is: 259,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,640.60 : 858,742.20 = 173,148.60 : x
  2. Step 2: Convert to fraction form
    572,640.60/858,742.20 = 173,148.60/x
  3. Step 3: Cross multiply
    572,640.60x = 858,742.20 × 173,148.60
  4. Step 4: Simplify right side
    572,640.60x = 148,690,009,690.92
  5. Step 5: Solve for x
    x = 148,690,009,690.92/572,640.60
  6. Step 6: Final answer
    x = 259,656.77

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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.