Home / 268,421.56-370,428.92-145,922.20

Finding the Fourth Proportional to 268,421.56, 370,428.92 and 145,922.20

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Solution

The fourth proportional to 268,421.56, 370,428.92 and 145,922.20 is: 201,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,421.56 : 370,428.92 = 145,922.20 : x
  2. Step 2: Convert to fraction form
    268,421.56/370,428.92 = 145,922.20/x
  3. Step 3: Cross multiply
    268,421.56x = 370,428.92 × 145,922.20
  4. Step 4: Simplify right side
    268,421.56x = 54,053,802,950.02
  5. Step 5: Solve for x
    x = 54,053,802,950.02/268,421.56
  6. Step 6: Final answer
    x = 201,376.53

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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.