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Finding the Fourth Proportional to 290,629, 435,943.50 and 93,637

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Solution

The fourth proportional to 290,629, 435,943.50 and 93,637 is: 140,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,629 : 435,943.50 = 93,637 : x
  2. Step 2: Convert to fraction form
    290,629/435,943.50 = 93,637/x
  3. Step 3: Cross multiply
    290,629x = 435,943.50 × 93,637
  4. Step 4: Simplify right side
    290,629x = 40,820,441,509.50
  5. Step 5: Solve for x
    x = 40,820,441,509.50/290,629
  6. Step 6: Final answer
    x = 140,455.50

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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.