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Finding the Fourth Proportional to 383,339.59, 575,276.19 and 158,701.19

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Solution

The fourth proportional to 383,339.59, 575,276.19 and 158,701.19 is: 238,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,339.59 : 575,276.19 = 158,701.19 : x
  2. Step 2: Convert to fraction form
    383,339.59/575,276.19 = 158,701.19/x
  3. Step 3: Cross multiply
    383,339.59x = 575,276.19 × 158,701.19
  4. Step 4: Simplify right side
    383,339.59x = 91,297,015,931.67
  5. Step 5: Solve for x
    x = 91,297,015,931.67/383,339.59
  6. Step 6: Final answer
    x = 238,162.24

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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.