Home / 268,130.70-370,023.41-147,274.81

Finding the Fourth Proportional to 268,130.70, 370,023.41 and 147,274.81

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Solution

The fourth proportional to 268,130.70, 370,023.41 and 147,274.81 is: 203,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,130.70 : 370,023.41 = 147,274.81 : x
  2. Step 2: Convert to fraction form
    268,130.70/370,023.41 = 147,274.81/x
  3. Step 3: Cross multiply
    268,130.70x = 370,023.41 × 147,274.81
  4. Step 4: Simplify right side
    268,130.70x = 54,495,127,403.30
  5. Step 5: Solve for x
    x = 54,495,127,403.30/268,130.70
  6. Step 6: Final answer
    x = 203,240.91

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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.