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Finding the Fourth Proportional to 339,369.33, 468,316.85 and 188,476.05

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Solution

The fourth proportional to 339,369.33, 468,316.85 and 188,476.05 is: 260,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,369.33 : 468,316.85 = 188,476.05 : x
  2. Step 2: Convert to fraction form
    339,369.33/468,316.85 = 188,476.05/x
  3. Step 3: Cross multiply
    339,369.33x = 468,316.85 × 188,476.05
  4. Step 4: Simplify right side
    339,369.33x = 88,266,509,094.06
  5. Step 5: Solve for x
    x = 88,266,509,094.06/339,369.33
  6. Step 6: Final answer
    x = 260,089.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.