Finding the Fourth Proportional to 153,764.75, 230,686.01 and 42,956.75
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Solution
The fourth proportional to 153,764.75, 230,686.01 and 42,956.75 is: 64,445.99
Step by Step Solution
- Step 1: Write the proportion equation
153,764.75 : 230,686.01 = 42,956.75 : x - Step 2: Convert to fraction form
153,764.75/230,686.01 = 42,956.75/x - Step 3: Cross multiply
153,764.75x = 230,686.01 × 42,956.75 - Step 4: Simplify right side
153,764.75x = 9,909,521,260.07 - Step 5: Solve for x
x = 9,909,521,260.07/153,764.75 - Step 6: Final answer
x = 64,445.99
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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.