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Finding the Fourth Proportional to 576,889.06, 865,334.24 and 150,424.51

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Solution

The fourth proportional to 576,889.06, 865,334.24 and 150,424.51 is: 225,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,889.06 : 865,334.24 = 150,424.51 : x
  2. Step 2: Convert to fraction form
    576,889.06/865,334.24 = 150,424.51/x
  3. Step 3: Cross multiply
    576,889.06x = 865,334.24 × 150,424.51
  4. Step 4: Simplify right side
    576,889.06x = 130,167,479,038.22
  5. Step 5: Solve for x
    x = 130,167,479,038.22/576,889.06
  6. Step 6: Final answer
    x = 225,636.93

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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.