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Finding the Fourth Proportional to 370,795.11, 511,509.47 and 234,599.69

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Solution

The fourth proportional to 370,795.11, 511,509.47 and 234,599.69 is: 323,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,795.11 : 511,509.47 = 234,599.69 : x
  2. Step 2: Convert to fraction form
    370,795.11/511,509.47 = 234,599.69/x
  3. Step 3: Cross multiply
    370,795.11x = 511,509.47 × 234,599.69
  4. Step 4: Simplify right side
    370,795.11x = 119,999,959,363.52
  5. Step 5: Solve for x
    x = 119,999,959,363.52/370,795.11
  6. Step 6: Final answer
    x = 323,628.75

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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.