Home / 231,017.60-346,539.36-218,450.72

Finding the Fourth Proportional to 231,017.60, 346,539.36 and 218,450.72

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Solution

The fourth proportional to 231,017.60, 346,539.36 and 218,450.72 is: 327,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,017.60 : 346,539.36 = 218,450.72 : x
  2. Step 2: Convert to fraction form
    231,017.60/346,539.36 = 218,450.72/x
  3. Step 3: Cross multiply
    231,017.60x = 346,539.36 × 218,450.72
  4. Step 4: Simplify right side
    231,017.60x = 75,701,772,700.34
  5. Step 5: Solve for x
    x = 75,701,772,700.34/231,017.60
  6. Step 6: Final answer
    x = 327,688.34

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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.