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Finding the Fourth Proportional to 369,994.52, 510,615.42 and 208,790.76

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Solution

The fourth proportional to 369,994.52, 510,615.42 and 208,790.76 is: 288,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,994.52 : 510,615.42 = 208,790.76 : x
  2. Step 2: Convert to fraction form
    369,994.52/510,615.42 = 208,790.76/x
  3. Step 3: Cross multiply
    369,994.52x = 510,615.42 × 208,790.76
  4. Step 4: Simplify right side
    369,994.52x = 106,611,781,609.52
  5. Step 5: Solve for x
    x = 106,611,781,609.52/369,994.52
  6. Step 6: Final answer
    x = 288,144.22

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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.