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Finding the Fourth Proportional to 370,040.86, 510,669.63 and 208,924.57

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Solution

The fourth proportional to 370,040.86, 510,669.63 and 208,924.57 is: 288,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,040.86 : 510,669.63 = 208,924.57 : x
  2. Step 2: Convert to fraction form
    370,040.86/510,669.63 = 208,924.57/x
  3. Step 3: Cross multiply
    370,040.86x = 510,669.63 × 208,924.57
  4. Step 4: Simplify right side
    370,040.86x = 106,691,429,261.84
  5. Step 5: Solve for x
    x = 106,691,429,261.84/370,040.86
  6. Step 6: Final answer
    x = 288,323.38

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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.