Finding the Fourth Proportional to 393,117.24, 589,561.83 and 153,177.63
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Solution
The fourth proportional to 393,117.24, 589,561.83 and 153,177.63 is: 229,722.01
Step by Step Solution
- Step 1: Write the proportion equation
393,117.24 : 589,561.83 = 153,177.63 : x - Step 2: Convert to fraction form
393,117.24/589,561.83 = 153,177.63/x - Step 3: Cross multiply
393,117.24x = 589,561.83 × 153,177.63 - Step 4: Simplify right side
393,117.24x = 90,307,680,910.05 - Step 5: Solve for x
x = 90,307,680,910.05/393,117.24 - Step 6: Final answer
x = 229,722.01
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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.