Finding the Fourth Proportional to 319,966.68, 441,610.68 and 183,990.06
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Solution
The fourth proportional to 319,966.68, 441,610.68 and 183,990.06 is: 253,938.86
Step by Step Solution
- Step 1: Write the proportion equation
319,966.68 : 441,610.68 = 183,990.06 : x - Step 2: Convert to fraction form
319,966.68/441,610.68 = 183,990.06/x - Step 3: Cross multiply
319,966.68x = 441,610.68 × 183,990.06 - Step 4: Simplify right side
319,966.68x = 81,251,975,509.84 - Step 5: Solve for x
x = 81,251,975,509.84/319,966.68 - Step 6: Final answer
x = 253,938.86
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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.