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Finding the Fourth Proportional to 252,089.58, 377,928.93 and 117,238.74

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Solution

The fourth proportional to 252,089.58, 377,928.93 and 117,238.74 is: 175,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,089.58 : 377,928.93 = 117,238.74 : x
  2. Step 2: Convert to fraction form
    252,089.58/377,928.93 = 117,238.74/x
  3. Step 3: Cross multiply
    252,089.58x = 377,928.93 × 117,238.74
  4. Step 4: Simplify right side
    252,089.58x = 44,307,911,562.75
  5. Step 5: Solve for x
    x = 44,307,911,562.75/252,089.58
  6. Step 6: Final answer
    x = 175,762.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.