Home / 304,785.45-456,956.69-127,343.21

Finding the Fourth Proportional to 304,785.45, 456,956.69 and 127,343.21

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Solution

The fourth proportional to 304,785.45, 456,956.69 and 127,343.21 is: 190,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,785.45 : 456,956.69 = 127,343.21 : x
  2. Step 2: Convert to fraction form
    304,785.45/456,956.69 = 127,343.21/x
  3. Step 3: Cross multiply
    304,785.45x = 456,956.69 × 127,343.21
  4. Step 4: Simplify right side
    304,785.45x = 58,190,328,814.08
  5. Step 5: Solve for x
    x = 58,190,328,814.08/304,785.45
  6. Step 6: Final answer
    x = 190,922.27

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1.5x scale

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.