Home / 304,143.36-456,210.06-90,911.82

Finding the Fourth Proportional to 304,143.36, 456,210.06 and 90,911.82

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Solution

The fourth proportional to 304,143.36, 456,210.06 and 90,911.82 is: 136,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,143.36 : 456,210.06 = 90,911.82 : x
  2. Step 2: Convert to fraction form
    304,143.36/456,210.06 = 90,911.82/x
  3. Step 3: Cross multiply
    304,143.36x = 456,210.06 × 90,911.82
  4. Step 4: Simplify right side
    304,143.36x = 41,474,886,856.91
  5. Step 5: Solve for x
    x = 41,474,886,856.91/304,143.36
  6. Step 6: Final answer
    x = 136,366.24

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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.