Home / 389,145.64-583,943.55-164,491.54

Finding the Fourth Proportional to 389,145.64, 583,943.55 and 164,491.54

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Solution

The fourth proportional to 389,145.64, 583,943.55 and 164,491.54 is: 246,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,145.64 : 583,943.55 = 164,491.54 : x
  2. Step 2: Convert to fraction form
    389,145.64/583,943.55 = 164,491.54/x
  3. Step 3: Cross multiply
    389,145.64x = 583,943.55 × 164,491.54
  4. Step 4: Simplify right side
    389,145.64x = 96,053,773,812.57
  5. Step 5: Solve for x
    x = 96,053,773,812.57/389,145.64
  6. Step 6: Final answer
    x = 246,832.46

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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.