Home / 262,440.30-393,660.45-258,066.30

Finding the Fourth Proportional to 262,440.30, 393,660.45 and 258,066.30

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Solution

The fourth proportional to 262,440.30, 393,660.45 and 258,066.30 is: 387,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440.30 : 393,660.45 = 258,066.30 : x
  2. Step 2: Convert to fraction form
    262,440.30/393,660.45 = 258,066.30/x
  3. Step 3: Cross multiply
    262,440.30x = 393,660.45 × 258,066.30
  4. Step 4: Simplify right side
    262,440.30x = 101,590,495,787.84
  5. Step 5: Solve for x
    x = 101,590,495,787.84/262,440.30
  6. Step 6: Final answer
    x = 387,099.45

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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.