Home / 268,420.36-370,419.04-147,569.28

Finding the Fourth Proportional to 268,420.36, 370,419.04 and 147,569.28

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Solution

The fourth proportional to 268,420.36, 370,419.04 and 147,569.28 is: 203,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,420.36 : 370,419.04 = 147,569.28 : x
  2. Step 2: Convert to fraction form
    268,420.36/370,419.04 = 147,569.28/x
  3. Step 3: Cross multiply
    268,420.36x = 370,419.04 × 147,569.28
  4. Step 4: Simplify right side
    268,420.36x = 54,662,471,031.09
  5. Step 5: Solve for x
    x = 54,662,471,031.09/268,420.36
  6. Step 6: Final answer
    x = 203,645.03

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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.