Finding the Fourth Proportional to 153,212.58, 229,818.60 and 48,031.38
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Solution
The fourth proportional to 153,212.58, 229,818.60 and 48,031.38 is: 72,046.99
Step by Step Solution
- Step 1: Write the proportion equation
153,212.58 : 229,818.60 = 48,031.38 : x - Step 2: Convert to fraction form
153,212.58/229,818.60 = 48,031.38/x - Step 3: Cross multiply
153,212.58x = 229,818.60 × 48,031.38 - Step 4: Simplify right side
153,212.58x = 11,038,504,507.67 - Step 5: Solve for x
x = 11,038,504,507.67/153,212.58 - Step 6: Final answer
x = 72,046.99
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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.