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Finding the Fourth Proportional to 381,303.80, 525,980.62 and 237,814.73

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Solution

The fourth proportional to 381,303.80, 525,980.62 and 237,814.73 is: 328,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,303.80 : 525,980.62 = 237,814.73 : x
  2. Step 2: Convert to fraction form
    381,303.80/525,980.62 = 237,814.73/x
  3. Step 3: Cross multiply
    381,303.80x = 525,980.62 × 237,814.73
  4. Step 4: Simplify right side
    381,303.80x = 125,085,939,130.53
  5. Step 5: Solve for x
    x = 125,085,939,130.53/381,303.80
  6. Step 6: Final answer
    x = 328,047.97

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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.