Home / 286,828.84-430,196.48-84,377.59

Finding the Fourth Proportional to 286,828.84, 430,196.48 and 84,377.59

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Solution

The fourth proportional to 286,828.84, 430,196.48 and 84,377.59 is: 126,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,828.84 : 430,196.48 = 84,377.59 : x
  2. Step 2: Convert to fraction form
    286,828.84/430,196.48 = 84,377.59/x
  3. Step 3: Cross multiply
    286,828.84x = 430,196.48 × 84,377.59
  4. Step 4: Simplify right side
    286,828.84x = 36,298,942,208.88
  5. Step 5: Solve for x
    x = 36,298,942,208.88/286,828.84
  6. Step 6: Final answer
    x = 126,552.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.