Finding the Fourth Proportional to 497,482.13, 686,527.62 and 282,633.99
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Solution
The fourth proportional to 497,482.13, 686,527.62 and 282,633.99 is: 390,036.20
Step by Step Solution
- Step 1: Write the proportion equation
497,482.13 : 686,527.62 = 282,633.99 : x - Step 2: Convert to fraction form
497,482.13/686,527.62 = 282,633.99/x - Step 3: Cross multiply
497,482.13x = 686,527.62 × 282,633.99 - Step 4: Simplify right side
497,482.13x = 194,036,040,485.80 - Step 5: Solve for x
x = 194,036,040,485.80/497,482.13 - Step 6: Final answer
x = 390,036.20
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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.