Home / 380,203.03-524,669.77-216,855.84

Finding the Fourth Proportional to 380,203.03, 524,669.77 and 216,855.84

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Solution

The fourth proportional to 380,203.03, 524,669.77 and 216,855.84 is: 299,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,203.03 : 524,669.77 = 216,855.84 : x
  2. Step 2: Convert to fraction form
    380,203.03/524,669.77 = 216,855.84/x
  3. Step 3: Cross multiply
    380,203.03x = 524,669.77 × 216,855.84
  4. Step 4: Simplify right side
    380,203.03x = 113,777,703,695.96
  5. Step 5: Solve for x
    x = 113,777,703,695.96/380,203.03
  6. Step 6: Final answer
    x = 299,255.12

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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.