Finding the Fourth Proportional to 272,442.09, 375,964.19 and 157,725.59
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Solution
The fourth proportional to 272,442.09, 375,964.19 and 157,725.59 is: 217,657.90
Step by Step Solution
- Step 1: Write the proportion equation
272,442.09 : 375,964.19 = 157,725.59 : x - Step 2: Convert to fraction form
272,442.09/375,964.19 = 157,725.59/x - Step 3: Cross multiply
272,442.09x = 375,964.19 × 157,725.59 - Step 4: Simplify right side
272,442.09x = 59,299,173,686.62 - Step 5: Solve for x
x = 59,299,173,686.62/272,442.09 - Step 6: Final answer
x = 217,657.90
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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.