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Finding the Fourth Proportional to 159,490.63, 239,228.00 and 59,643.48

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Solution

The fourth proportional to 159,490.63, 239,228.00 and 59,643.48 is: 89,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,490.63 : 239,228.00 = 59,643.48 : x
  2. Step 2: Convert to fraction form
    159,490.63/239,228.00 = 59,643.48/x
  3. Step 3: Cross multiply
    159,490.63x = 239,228.00 × 59,643.48
  4. Step 4: Simplify right side
    159,490.63x = 14,268,390,135.22
  5. Step 5: Solve for x
    x = 14,268,390,135.22/159,490.63
  6. Step 6: Final answer
    x = 89,462.25

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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.