Finding the Fourth Proportional to 157,220.24, 216,957.14 and 85,600.52
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Solution
The fourth proportional to 157,220.24, 216,957.14 and 85,600.52 is: 118,125.02
Step by Step Solution
- Step 1: Write the proportion equation
157,220.24 : 216,957.14 = 85,600.52 : x - Step 2: Convert to fraction form
157,220.24/216,957.14 = 85,600.52/x - Step 3: Cross multiply
157,220.24x = 216,957.14 × 85,600.52 - Step 4: Simplify right side
157,220.24x = 18,571,644,001.71 - Step 5: Solve for x
x = 18,571,644,001.71/157,220.24 - Step 6: Final answer
x = 118,125.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.