Home / 288,336.60-397,916.58-165,829.06

Finding the Fourth Proportional to 288,336.60, 397,916.58 and 165,829.06

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Solution

The fourth proportional to 288,336.60, 397,916.58 and 165,829.06 is: 228,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336.60 : 397,916.58 = 165,829.06 : x
  2. Step 2: Convert to fraction form
    288,336.60/397,916.58 = 165,829.06/x
  3. Step 3: Cross multiply
    288,336.60x = 397,916.58 × 165,829.06
  4. Step 4: Simplify right side
    288,336.60x = 65,986,132,419.81
  5. Step 5: Solve for x
    x = 65,986,132,419.81/288,336.60
  6. Step 6: Final answer
    x = 228,851.05

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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.