Finding the Fourth Proportional to 319,773.87, 441,285.08 and 176,530.84
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Solution
The fourth proportional to 319,773.87, 441,285.08 and 176,530.84 is: 243,610.98
Step by Step Solution
- Step 1: Write the proportion equation
319,773.87 : 441,285.08 = 176,530.84 : x - Step 2: Convert to fraction form
319,773.87/441,285.08 = 176,530.84/x - Step 3: Cross multiply
319,773.87x = 441,285.08 × 176,530.84 - Step 4: Simplify right side
319,773.87x = 77,900,425,189.98 - Step 5: Solve for x
x = 77,900,425,189.98/319,773.87 - Step 6: Final answer
x = 243,610.98
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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.