Home / 282,996.54-390,478.58-162,175.72

Finding the Fourth Proportional to 282,996.54, 390,478.58 and 162,175.72

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Solution

The fourth proportional to 282,996.54, 390,478.58 and 162,175.72 is: 223,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,996.54 : 390,478.58 = 162,175.72 : x
  2. Step 2: Convert to fraction form
    282,996.54/390,478.58 = 162,175.72/x
  3. Step 3: Cross multiply
    282,996.54x = 390,478.58 × 162,175.72
  4. Step 4: Simplify right side
    282,996.54x = 63,326,144,045.20
  5. Step 5: Solve for x
    x = 63,326,144,045.20/282,996.54
  6. Step 6: Final answer
    x = 223,770.03

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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.