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Finding the Fourth Proportional to 370,008.42, 510,611.41 and 208,864.86

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Solution

The fourth proportional to 370,008.42, 510,611.41 and 208,864.86 is: 288,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,008.42 : 510,611.41 = 208,864.86 : x
  2. Step 2: Convert to fraction form
    370,008.42/510,611.41 = 208,864.86/x
  3. Step 3: Cross multiply
    370,008.42x = 510,611.41 × 208,864.86
  4. Step 4: Simplify right side
    370,008.42x = 106,648,780,664.05
  5. Step 5: Solve for x
    x = 106,648,780,664.05/370,008.42
  6. Step 6: Final answer
    x = 288,233.39

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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.