Finding the Fourth Proportional to 156,822.57, 216,367.47 and 88,828.74
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Solution
The fourth proportional to 156,822.57, 216,367.47 and 88,828.74 is: 122,556.66
Step by Step Solution
- Step 1: Write the proportion equation
156,822.57 : 216,367.47 = 88,828.74 : x - Step 2: Convert to fraction form
156,822.57/216,367.47 = 88,828.74/x - Step 3: Cross multiply
156,822.57x = 216,367.47 × 88,828.74 - Step 4: Simplify right side
156,822.57x = 19,219,649,737.09 - Step 5: Solve for x
x = 19,219,649,737.09/156,822.57 - Step 6: Final answer
x = 122,556.66
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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.