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Finding the Fourth Proportional to 368,352.81, 508,281.39 and 232,335.41

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Solution

The fourth proportional to 368,352.81, 508,281.39 and 232,335.41 is: 320,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,352.81 : 508,281.39 = 232,335.41 : x
  2. Step 2: Convert to fraction form
    368,352.81/508,281.39 = 232,335.41/x
  3. Step 3: Cross multiply
    368,352.81x = 508,281.39 × 232,335.41
  4. Step 4: Simplify right side
    368,352.81x = 118,091,762,599.61
  5. Step 5: Solve for x
    x = 118,091,762,599.61/368,352.81
  6. Step 6: Final answer
    x = 320,594.17

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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.