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Finding the Fourth Proportional to 380,627.00, 525,265.00 and 208,556.12

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Solution

The fourth proportional to 380,627.00, 525,265.00 and 208,556.12 is: 287,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,627.00 : 525,265.00 = 208,556.12 : x
  2. Step 2: Convert to fraction form
    380,627.00/525,265.00 = 208,556.12/x
  3. Step 3: Cross multiply
    380,627.00x = 525,265.00 × 208,556.12
  4. Step 4: Simplify right side
    380,627.00x = 109,547,229,382.09
  5. Step 5: Solve for x
    x = 109,547,229,382.09/380,627.00
  6. Step 6: Final answer
    x = 287,807.30

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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.