Home / 268,383.09-370,364.51-147,521.78

Finding the Fourth Proportional to 268,383.09, 370,364.51 and 147,521.78

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Solution

The fourth proportional to 268,383.09, 370,364.51 and 147,521.78 is: 203,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,383.09 : 370,364.51 = 147,521.78 : x
  2. Step 2: Convert to fraction form
    268,383.09/370,364.51 = 147,521.78/x
  3. Step 3: Cross multiply
    268,383.09x = 370,364.51 × 147,521.78
  4. Step 4: Simplify right side
    268,383.09x = 54,636,831,026.42
  5. Step 5: Solve for x
    x = 54,636,831,026.42/268,383.09
  6. Step 6: Final answer
    x = 203,577.77

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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.