Finding the Fourth Proportional to 279,710.69, 386,001.26 and 158,851.96
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Solution
The fourth proportional to 279,710.69, 386,001.26 and 158,851.96 is: 219,215.99
Step by Step Solution
- Step 1: Write the proportion equation
279,710.69 : 386,001.26 = 158,851.96 : x - Step 2: Convert to fraction form
279,710.69/386,001.26 = 158,851.96/x - Step 3: Cross multiply
279,710.69x = 386,001.26 × 158,851.96 - Step 4: Simplify right side
279,710.69x = 61,317,055,549.90 - Step 5: Solve for x
x = 61,317,055,549.90/279,710.69 - Step 6: Final answer
x = 219,215.99
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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.