Finding the Fourth Proportional to 319,795.21, 441,318.05 and 176,555.53
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Solution
The fourth proportional to 319,795.21, 441,318.05 and 176,555.53 is: 243,647.00
Step by Step Solution
- Step 1: Write the proportion equation
319,795.21 : 441,318.05 = 176,555.53 : x - Step 2: Convert to fraction form
319,795.21/441,318.05 = 176,555.53/x - Step 3: Cross multiply
319,795.21x = 441,318.05 × 176,555.53 - Step 4: Simplify right side
319,795.21x = 77,917,142,216.32 - Step 5: Solve for x
x = 77,917,142,216.32/319,795.21 - Step 6: Final answer
x = 243,647.00
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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.