Finding the Fourth Proportional to 497,282.09, 686,252.07 and 290,562.62
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Solution
The fourth proportional to 497,282.09, 686,252.07 and 290,562.62 is: 400,978.04
Step by Step Solution
- Step 1: Write the proportion equation
497,282.09 : 686,252.07 = 290,562.62 : x - Step 2: Convert to fraction form
497,282.09/686,252.07 = 290,562.62/x - Step 3: Cross multiply
497,282.09x = 686,252.07 × 290,562.62 - Step 4: Simplify right side
497,282.09x = 199,399,196,008.36 - Step 5: Solve for x
x = 199,399,196,008.36/497,282.09 - Step 6: Final answer
x = 400,978.04
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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.