Finding the Fourth Proportional to 396,377.04, 546,964.14 and 235,204.32
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Solution
The fourth proportional to 396,377.04, 546,964.14 and 235,204.32 is: 324,560.50
Step by Step Solution
- Step 1: Write the proportion equation
396,377.04 : 546,964.14 = 235,204.32 : x - Step 2: Convert to fraction form
396,377.04/546,964.14 = 235,204.32/x - Step 3: Cross multiply
396,377.04x = 546,964.14 × 235,204.32 - Step 4: Simplify right side
396,377.04x = 128,648,328,613.09 - Step 5: Solve for x
x = 128,648,328,613.09/396,377.04 - Step 6: Final answer
x = 324,560.50
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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.