Home / 642,849.04-964,083.48-243,193.36

Finding the Fourth Proportional to 642,849.04, 964,083.48 and 243,193.36

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Solution

The fourth proportional to 642,849.04, 964,083.48 and 243,193.36 is: 364,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,849.04 : 964,083.48 = 243,193.36 : x
  2. Step 2: Convert to fraction form
    642,849.04/964,083.48 = 243,193.36/x
  3. Step 3: Cross multiply
    642,849.04x = 964,083.48 × 243,193.36
  4. Step 4: Simplify right side
    642,849.04x = 234,458,700,821.69
  5. Step 5: Solve for x
    x = 234,458,700,821.69/642,849.04
  6. Step 6: Final answer
    x = 364,718.13

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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.