Finding the Fourth Proportional to 396,566.74, 546,848.04 and 235,390.78
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Solution
The fourth proportional to 396,566.74, 546,848.04 and 235,390.78 is: 324,593.50
Step by Step Solution
- Step 1: Write the proportion equation
396,566.74 : 546,848.04 = 235,390.78 : x - Step 2: Convert to fraction form
396,566.74/546,848.04 = 235,390.78/x - Step 3: Cross multiply
396,566.74x = 546,848.04 × 235,390.78 - Step 4: Simplify right side
396,566.74x = 128,722,986,677.07 - Step 5: Solve for x
x = 128,722,986,677.07/396,566.74 - Step 6: Final answer
x = 324,593.50
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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.