Home / 380,044.40-524,467.48-207,977.28

Finding the Fourth Proportional to 380,044.40, 524,467.48 and 207,977.28

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Solution

The fourth proportional to 380,044.40, 524,467.48 and 207,977.28 is: 287,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,044.40 : 524,467.48 = 207,977.28 : x
  2. Step 2: Convert to fraction form
    380,044.40/524,467.48 = 207,977.28/x
  3. Step 3: Cross multiply
    380,044.40x = 524,467.48 × 207,977.28
  4. Step 4: Simplify right side
    380,044.40x = 109,077,319,938.85
  5. Step 5: Solve for x
    x = 109,077,319,938.85/380,044.40
  6. Step 6: Final answer
    x = 287,012.04

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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.