Finding the Fourth Proportional to 228,838.24, 342,539.28 and 157,343.68
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Solution
The fourth proportional to 228,838.24, 342,539.28 and 157,343.68 is: 235,521.79
Step by Step Solution
- Step 1: Write the proportion equation
228,838.24 : 342,539.28 = 157,343.68 : x - Step 2: Convert to fraction form
228,838.24/342,539.28 = 157,343.68/x - Step 3: Cross multiply
228,838.24x = 342,539.28 × 157,343.68 - Step 4: Simplify right side
228,838.24x = 53,896,390,859.75 - Step 5: Solve for x
x = 53,896,390,859.75/228,838.24 - Step 6: Final answer
x = 235,521.79
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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.