Home / 289,569.80-433,836.30-248,097.80

Finding the Fourth Proportional to 289,569.80, 433,836.30 and 248,097.80

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Solution

The fourth proportional to 289,569.80, 433,836.30 and 248,097.80 is: 371,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,569.80 : 433,836.30 = 248,097.80 : x
  2. Step 2: Convert to fraction form
    289,569.80/433,836.30 = 248,097.80/x
  3. Step 3: Cross multiply
    289,569.80x = 433,836.30 × 248,097.80
  4. Step 4: Simplify right side
    289,569.80x = 107,633,831,590.14
  5. Step 5: Solve for x
    x = 107,633,831,590.14/289,569.80
  6. Step 6: Final answer
    x = 371,702.54

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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.