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Finding the Fourth Proportional to 329,445, 454,682.88 and 208,597.50

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Solution

The fourth proportional to 329,445, 454,682.88 and 208,597.50 is: 287,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,445 : 454,682.88 = 208,597.50 : x
  2. Step 2: Convert to fraction form
    329,445/454,682.88 = 208,597.50/x
  3. Step 3: Cross multiply
    329,445x = 454,682.88 × 208,597.50
  4. Step 4: Simplify right side
    329,445x = 94,845,712,060.80
  5. Step 5: Solve for x
    x = 94,845,712,060.80/329,445
  6. Step 6: Final answer
    x = 287,895.44

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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.