Finding the Fourth Proportional to 360,371.68, 497,326.92 and 239,304.20
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Solution
The fourth proportional to 360,371.68, 497,326.92 and 239,304.20 is: 330,249.09
Step by Step Solution
- Step 1: Write the proportion equation
360,371.68 : 497,326.92 = 239,304.20 : x - Step 2: Convert to fraction form
360,371.68/497,326.92 = 239,304.20/x - Step 3: Cross multiply
360,371.68x = 497,326.92 × 239,304.20 - Step 4: Simplify right side
360,371.68x = 119,012,420,729.06 - Step 5: Solve for x
x = 119,012,420,729.06/360,371.68 - Step 6: Final answer
x = 330,249.09
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1.5x scale
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.