Home / 829,209.16-1,243,902.63-230,172.85

Finding the Fourth Proportional to 829,209.16, 1,243,902.63 and 230,172.85

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Solution

The fourth proportional to 829,209.16, 1,243,902.63 and 230,172.85 is: 345,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,209.16 : 1,243,902.63 = 230,172.85 : x
  2. Step 2: Convert to fraction form
    829,209.16/1,243,902.63 = 230,172.85/x
  3. Step 3: Cross multiply
    829,209.16x = 1,243,902.63 × 230,172.85
  4. Step 4: Simplify right side
    829,209.16x = 286,312,607,250.08
  5. Step 5: Solve for x
    x = 286,312,607,250.08/829,209.16
  6. Step 6: Final answer
    x = 345,283.94

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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.