Home / 259,138.47-357,331.36-162,307.83

Finding the Fourth Proportional to 259,138.47, 357,331.36 and 162,307.83

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Solution

The fourth proportional to 259,138.47, 357,331.36 and 162,307.83 is: 223,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,138.47 : 357,331.36 = 162,307.83 : x
  2. Step 2: Convert to fraction form
    259,138.47/357,331.36 = 162,307.83/x
  3. Step 3: Cross multiply
    259,138.47x = 357,331.36 × 162,307.83
  4. Step 4: Simplify right side
    259,138.47x = 57,997,677,632.55
  5. Step 5: Solve for x
    x = 57,997,677,632.55/259,138.47
  6. Step 6: Final answer
    x = 223,809.60

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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.