Home / 346,784.80-520,177.20-268,052.80

Finding the Fourth Proportional to 346,784.80, 520,177.20 and 268,052.80

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Solution

The fourth proportional to 346,784.80, 520,177.20 and 268,052.80 is: 402,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,784.80 : 520,177.20 = 268,052.80 : x
  2. Step 2: Convert to fraction form
    346,784.80/520,177.20 = 268,052.80/x
  3. Step 3: Cross multiply
    346,784.80x = 520,177.20 × 268,052.80
  4. Step 4: Simplify right side
    346,784.80x = 139,434,954,956.16
  5. Step 5: Solve for x
    x = 139,434,954,956.16/346,784.80
  6. Step 6: Final answer
    x = 402,079.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.