Finding the Fourth Proportional to 319,733.06, 441,235.26 and 176,493.17
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Solution
The fourth proportional to 319,733.06, 441,235.26 and 176,493.17 is: 243,562.58
Step by Step Solution
- Step 1: Write the proportion equation
319,733.06 : 441,235.26 = 176,493.17 : x - Step 2: Convert to fraction form
319,733.06/441,235.26 = 176,493.17/x - Step 3: Cross multiply
319,733.06x = 441,235.26 × 176,493.17 - Step 4: Simplify right side
319,733.06x = 77,875,009,753.17 - Step 5: Solve for x
x = 77,875,009,753.17/319,733.06 - Step 6: Final answer
x = 243,562.58
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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.