Home / 283,068.41-390,307.14-225,662.86

Finding the Fourth Proportional to 283,068.41, 390,307.14 and 225,662.86

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Solution

The fourth proportional to 283,068.41, 390,307.14 and 225,662.86 is: 311,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,068.41 : 390,307.14 = 225,662.86 : x
  2. Step 2: Convert to fraction form
    283,068.41/390,307.14 = 225,662.86/x
  3. Step 3: Cross multiply
    283,068.41x = 390,307.14 × 225,662.86
  4. Step 4: Simplify right side
    283,068.41x = 88,077,825,978.70
  5. Step 5: Solve for x
    x = 88,077,825,978.70/283,068.41
  6. Step 6: Final answer
    x = 311,153.86

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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.