Finding the Fourth Proportional to 272,261.18, 375,665.36 and 159,062.06
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Solution
The fourth proportional to 272,261.18, 375,665.36 and 159,062.06 is: 219,473.47
Step by Step Solution
- Step 1: Write the proportion equation
272,261.18 : 375,665.36 = 159,062.06 : x - Step 2: Convert to fraction form
272,261.18/375,665.36 = 159,062.06/x - Step 3: Cross multiply
272,261.18x = 375,665.36 × 159,062.06 - Step 4: Simplify right side
272,261.18x = 59,754,106,032.24 - Step 5: Solve for x
x = 59,754,106,032.24/272,261.18 - Step 6: Final answer
x = 219,473.47
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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.