Home / 250,636.46-375,804.52-79,784.35

Finding the Fourth Proportional to 250,636.46, 375,804.52 and 79,784.35

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Solution

The fourth proportional to 250,636.46, 375,804.52 and 79,784.35 is: 119,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,636.46 : 375,804.52 = 79,784.35 : x
  2. Step 2: Convert to fraction form
    250,636.46/375,804.52 = 79,784.35/x
  3. Step 3: Cross multiply
    250,636.46x = 375,804.52 × 79,784.35
  4. Step 4: Simplify right side
    250,636.46x = 29,983,319,355.26
  5. Step 5: Solve for x
    x = 29,983,319,355.26/250,636.46
  6. Step 6: Final answer
    x = 119,628.72

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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.