Home / 283,270.47-390,919.64-160,770.93

Finding the Fourth Proportional to 283,270.47, 390,919.64 and 160,770.93

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Solution

The fourth proportional to 283,270.47, 390,919.64 and 160,770.93 is: 221,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,270.47 : 390,919.64 = 160,770.93 : x
  2. Step 2: Convert to fraction form
    283,270.47/390,919.64 = 160,770.93/x
  3. Step 3: Cross multiply
    283,270.47x = 390,919.64 × 160,770.93
  4. Step 4: Simplify right side
    283,270.47x = 62,848,511,808.26
  5. Step 5: Solve for x
    x = 62,848,511,808.26/283,270.47
  6. Step 6: Final answer
    x = 221,867.51

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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.