Finding the Fourth Proportional to 328,534.93, 453,378.21 and 177,631.93
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Solution
The fourth proportional to 328,534.93, 453,378.21 and 177,631.93 is: 245,132.07
Step by Step Solution
- Step 1: Write the proportion equation
328,534.93 : 453,378.21 = 177,631.93 : x - Step 2: Convert to fraction form
328,534.93/453,378.21 = 177,631.93/x - Step 3: Cross multiply
328,534.93x = 453,378.21 × 177,631.93 - Step 4: Simplify right side
328,534.93x = 80,534,446,462.25 - Step 5: Solve for x
x = 80,534,446,462.25/328,534.93 - Step 6: Final answer
x = 245,132.07
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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.