Finding the Fourth Proportional to 148,347.13, 204,719.66 and 80,364.24
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Solution
The fourth proportional to 148,347.13, 204,719.66 and 80,364.24 is: 110,902.99
Step by Step Solution
- Step 1: Write the proportion equation
148,347.13 : 204,719.66 = 80,364.24 : x - Step 2: Convert to fraction form
148,347.13/204,719.66 = 80,364.24/x - Step 3: Cross multiply
148,347.13x = 204,719.66 × 80,364.24 - Step 4: Simplify right side
148,347.13x = 16,452,139,888.96 - Step 5: Solve for x
x = 16,452,139,888.96/148,347.13 - Step 6: Final answer
x = 110,902.99
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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.