Finding the Fourth Proportional to 319,772.10, 441,273.93 and 176,529.07
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Solution
The fourth proportional to 319,772.10, 441,273.93 and 176,529.07 is: 243,603.73
Step by Step Solution
- Step 1: Write the proportion equation
319,772.10 : 441,273.93 = 176,529.07 : x - Step 2: Convert to fraction form
319,772.10/441,273.93 = 176,529.07/x - Step 3: Cross multiply
319,772.10x = 441,273.93 × 176,529.07 - Step 4: Simplify right side
319,772.10x = 77,897,676,478.15 - Step 5: Solve for x
x = 77,897,676,478.15/319,772.10 - Step 6: Final answer
x = 243,603.73
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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.