Home / 336,821.40-504,065.70-308,827.80

Finding the Fourth Proportional to 336,821.40, 504,065.70 and 308,827.80

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Solution

The fourth proportional to 336,821.40, 504,065.70 and 308,827.80 is: 462,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,821.40 : 504,065.70 = 308,827.80 : x
  2. Step 2: Convert to fraction form
    336,821.40/504,065.70 = 308,827.80/x
  3. Step 3: Cross multiply
    336,821.40x = 504,065.70 × 308,827.80
  4. Step 4: Simplify right side
    336,821.40x = 155,669,501,186.46
  5. Step 5: Solve for x
    x = 155,669,501,186.46/336,821.40
  6. Step 6: Final answer
    x = 462,172.24

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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.