Home / 268,268.78-370,210.81-147,417.86

Finding the Fourth Proportional to 268,268.78, 370,210.81 and 147,417.86

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Solution

The fourth proportional to 268,268.78, 370,210.81 and 147,417.86 is: 203,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,268.78 : 370,210.81 = 147,417.86 : x
  2. Step 2: Convert to fraction form
    268,268.78/370,210.81 = 147,417.86/x
  3. Step 3: Cross multiply
    268,268.78x = 370,210.81 × 147,417.86
  4. Step 4: Simplify right side
    268,268.78x = 54,575,684,621.98
  5. Step 5: Solve for x
    x = 54,575,684,621.98/268,268.78
  6. Step 6: Final answer
    x = 203,436.59

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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.