Finding the Fourth Proportional to 156,594.05, 216,096.80 and 88,609.79
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Solution
The fourth proportional to 156,594.05, 216,096.80 and 88,609.79 is: 122,279.82
Step by Step Solution
- Step 1: Write the proportion equation
156,594.05 : 216,096.80 = 88,609.79 : x - Step 2: Convert to fraction form
156,594.05/216,096.80 = 88,609.79/x - Step 3: Cross multiply
156,594.05x = 216,096.80 × 88,609.79 - Step 4: Simplify right side
156,594.05x = 19,148,292,164.87 - Step 5: Solve for x
x = 19,148,292,164.87/156,594.05 - Step 6: Final answer
x = 122,279.82
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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.