Home / 304,022.57-456,099.12-90,807.35

Finding the Fourth Proportional to 304,022.57, 456,099.12 and 90,807.35

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Solution

The fourth proportional to 304,022.57, 456,099.12 and 90,807.35 is: 136,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,022.57 : 456,099.12 = 90,807.35 : x
  2. Step 2: Convert to fraction form
    304,022.57/456,099.12 = 90,807.35/x
  3. Step 3: Cross multiply
    304,022.57x = 456,099.12 × 90,807.35
  4. Step 4: Simplify right side
    304,022.57x = 41,417,150,144.04
  5. Step 5: Solve for x
    x = 41,417,150,144.04/304,022.57
  6. Step 6: Final answer
    x = 136,230.51

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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.