Home / 288,334.60-397,913.82-165,827.06

Finding the Fourth Proportional to 288,334.60, 397,913.82 and 165,827.06

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Solution

The fourth proportional to 288,334.60, 397,913.82 and 165,827.06 is: 228,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,334.60 : 397,913.82 = 165,827.06 : x
  2. Step 2: Convert to fraction form
    288,334.60/397,913.82 = 165,827.06/x
  3. Step 3: Cross multiply
    288,334.60x = 397,913.82 × 165,827.06
  4. Step 4: Simplify right side
    288,334.60x = 65,984,879,743.46
  5. Step 5: Solve for x
    x = 65,984,879,743.46/288,334.60
  6. Step 6: Final answer
    x = 228,848.29

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1.5x scale

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.