Finding the Fourth Proportional to 679,252.14, 937,377.69 and 373,356.81
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Solution
The fourth proportional to 679,252.14, 937,377.69 and 373,356.81 is: 515,237.75
Step by Step Solution
- Step 1: Write the proportion equation
679,252.14 : 937,377.69 = 373,356.81 : x - Step 2: Convert to fraction form
679,252.14/937,377.69 = 373,356.81/x - Step 3: Cross multiply
679,252.14x = 937,377.69 × 373,356.81 - Step 4: Simplify right side
679,252.14x = 349,976,344,103.57 - Step 5: Solve for x
x = 349,976,344,103.57/679,252.14 - Step 6: Final answer
x = 515,237.75
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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.