Finding the Fourth Proportional to 157,064.30, 235,510.05 and 68,302.70
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Solution
The fourth proportional to 157,064.30, 235,510.05 and 68,302.70 is: 102,416.48
Step by Step Solution
- Step 1: Write the proportion equation
157,064.30 : 235,510.05 = 68,302.70 : x - Step 2: Convert to fraction form
157,064.30/235,510.05 = 68,302.70/x - Step 3: Cross multiply
157,064.30x = 235,510.05 × 68,302.70 - Step 4: Simplify right side
157,064.30x = 16,085,972,292.14 - Step 5: Solve for x
x = 16,085,972,292.14/157,064.30 - Step 6: Final answer
x = 102,416.48
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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.