Finding the Fourth Proportional to 302,463.75, 453,695.64 and 105,471.75
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Solution
The fourth proportional to 302,463.75, 453,695.64 and 105,471.75 is: 158,207.63
Step by Step Solution
- Step 1: Write the proportion equation
302,463.75 : 453,695.64 = 105,471.75 : x - Step 2: Convert to fraction form
302,463.75/453,695.64 = 105,471.75/x - Step 3: Cross multiply
302,463.75x = 453,695.64 × 105,471.75 - Step 4: Simplify right side
302,463.75x = 47,852,073,118.17 - Step 5: Solve for x
x = 47,852,073,118.17/302,463.75 - Step 6: Final answer
x = 158,207.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.