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Finding the Fourth Proportional to 315,738, 435,718.44 and 181,602

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Solution

The fourth proportional to 315,738, 435,718.44 and 181,602 is: 250,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,738 : 435,718.44 = 181,602 : x
  2. Step 2: Convert to fraction form
    315,738/435,718.44 = 181,602/x
  3. Step 3: Cross multiply
    315,738x = 435,718.44 × 181,602
  4. Step 4: Simplify right side
    315,738x = 79,127,340,140.88
  5. Step 5: Solve for x
    x = 79,127,340,140.88/315,738
  6. Step 6: Final answer
    x = 250,610.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.