Finding the Fourth Proportional to 319,612.14, 441,089.69 and 183,693.53
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Solution
The fourth proportional to 319,612.14, 441,089.69 and 183,693.53 is: 253,511.40
Step by Step Solution
- Step 1: Write the proportion equation
319,612.14 : 441,089.69 = 183,693.53 : x - Step 2: Convert to fraction form
319,612.14/441,089.69 = 183,693.53/x - Step 3: Cross multiply
319,612.14x = 441,089.69 × 183,693.53 - Step 4: Simplify right side
319,612.14x = 81,025,322,386.96 - Step 5: Solve for x
x = 81,025,322,386.96/319,612.14 - Step 6: Final answer
x = 253,511.40
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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.