Home / 268,409.68-370,406.16-147,561.36

Finding the Fourth Proportional to 268,409.68, 370,406.16 and 147,561.36

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Solution

The fourth proportional to 268,409.68, 370,406.16 and 147,561.36 is: 203,635.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,409.68 : 370,406.16 = 147,561.36 : x
  2. Step 2: Convert to fraction form
    268,409.68/370,406.16 = 147,561.36/x
  3. Step 3: Cross multiply
    268,409.68x = 370,406.16 × 147,561.36
  4. Step 4: Simplify right side
    268,409.68x = 54,657,636,721.98
  5. Step 5: Solve for x
    x = 54,657,636,721.98/268,409.68
  6. Step 6: Final answer
    x = 203,635.12

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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.