Home / 380,335.24-524,862.66-208,264.05

Finding the Fourth Proportional to 380,335.24, 524,862.66 and 208,264.05

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Solution

The fourth proportional to 380,335.24, 524,862.66 and 208,264.05 is: 287,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,335.24 : 524,862.66 = 208,264.05 : x
  2. Step 2: Convert to fraction form
    380,335.24/524,862.66 = 208,264.05/x
  3. Step 3: Cross multiply
    380,335.24x = 524,862.66 × 208,264.05
  4. Step 4: Simplify right side
    380,335.24x = 109,310,023,265.37
  5. Step 5: Solve for x
    x = 109,310,023,265.37/380,335.24
  6. Step 6: Final answer
    x = 287,404.41

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1.5x scale

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.