Home / 268,113.90-369,998.01-145,606.62

Finding the Fourth Proportional to 268,113.90, 369,998.01 and 145,606.62

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Solution

The fourth proportional to 268,113.90, 369,998.01 and 145,606.62 is: 200,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,113.90 : 369,998.01 = 145,606.62 : x
  2. Step 2: Convert to fraction form
    268,113.90/369,998.01 = 145,606.62/x
  3. Step 3: Cross multiply
    268,113.90x = 369,998.01 × 145,606.62
  4. Step 4: Simplify right side
    268,113.90x = 53,874,159,642.83
  5. Step 5: Solve for x
    x = 53,874,159,642.83/268,113.90
  6. Step 6: Final answer
    x = 200,937.59

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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.