Home / 380,896.08-525,633.22-208,810.91

Finding the Fourth Proportional to 380,896.08, 525,633.22 and 208,810.91

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Solution

The fourth proportional to 380,896.08, 525,633.22 and 208,810.91 is: 288,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,896.08 : 525,633.22 = 208,810.91 : x
  2. Step 2: Convert to fraction form
    380,896.08/525,633.22 = 208,810.91/x
  3. Step 3: Cross multiply
    380,896.08x = 525,633.22 × 208,810.91
  4. Step 4: Simplify right side
    380,896.08x = 109,757,948,627.28
  5. Step 5: Solve for x
    x = 109,757,948,627.28/380,896.08
  6. Step 6: Final answer
    x = 288,157.20

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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.