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Finding the Fourth Proportional to 370,289.88, 510,999.03 and 200,523.96

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Solution

The fourth proportional to 370,289.88, 510,999.03 and 200,523.96 is: 276,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,289.88 : 510,999.03 = 200,523.96 : x
  2. Step 2: Convert to fraction form
    370,289.88/510,999.03 = 200,523.96/x
  3. Step 3: Cross multiply
    370,289.88x = 510,999.03 × 200,523.96
  4. Step 4: Simplify right side
    370,289.88x = 102,467,549,051.76
  5. Step 5: Solve for x
    x = 102,467,549,051.76/370,289.88
  6. Step 6: Final answer
    x = 276,722.52

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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.