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Finding the Fourth Proportional to 248,801.80, 374,124.30 and 208,251.40

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Solution

The fourth proportional to 248,801.80, 374,124.30 and 208,251.40 is: 313,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,801.80 : 374,124.30 = 208,251.40 : x
  2. Step 2: Convert to fraction form
    248,801.80/374,124.30 = 208,251.40/x
  3. Step 3: Cross multiply
    248,801.80x = 374,124.30 × 208,251.40
  4. Step 4: Simplify right side
    248,801.80x = 77,911,909,249.02
  5. Step 5: Solve for x
    x = 77,911,909,249.02/248,801.80
  6. Step 6: Final answer
    x = 313,148.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.