Home / 434,256.40-651,231-206,525.20

Finding the Fourth Proportional to 434,256.40, 651,231 and 206,525.20

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Solution

The fourth proportional to 434,256.40, 651,231 and 206,525.20 is: 309,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,256.40 : 651,231 = 206,525.20 : x
  2. Step 2: Convert to fraction form
    434,256.40/651,231 = 206,525.20/x
  3. Step 3: Cross multiply
    434,256.40x = 651,231 × 206,525.20
  4. Step 4: Simplify right side
    434,256.40x = 134,495,612,521.20
  5. Step 5: Solve for x
    x = 134,495,612,521.20/434,256.40
  6. Step 6: Final answer
    x = 309,714.75

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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.