Finding the Fourth Proportional to 319,693.12, 441,152.58 and 183,727.42
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Solution
The fourth proportional to 319,693.12, 441,152.58 and 183,727.42 is: 253,530.09
Step by Step Solution
- Step 1: Write the proportion equation
319,693.12 : 441,152.58 = 183,727.42 : x - Step 2: Convert to fraction form
319,693.12/441,152.58 = 183,727.42/x - Step 3: Cross multiply
319,693.12x = 441,152.58 × 183,727.42 - Step 4: Simplify right side
319,693.12x = 81,051,825,349.74 - Step 5: Solve for x
x = 81,051,825,349.74/319,693.12 - Step 6: Final answer
x = 253,530.09
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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.