Finding the Fourth Proportional to 270,073.68, 372,680.16 and 156,903.84
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Solution
The fourth proportional to 270,073.68, 372,680.16 and 156,903.84 is: 216,514.80
Step by Step Solution
- Step 1: Write the proportion equation
270,073.68 : 372,680.16 = 156,903.84 : x - Step 2: Convert to fraction form
270,073.68/372,680.16 = 156,903.84/x - Step 3: Cross multiply
270,073.68x = 372,680.16 × 156,903.84 - Step 4: Simplify right side
270,073.68x = 58,474,948,195.81 - Step 5: Solve for x
x = 58,474,948,195.81/270,073.68 - Step 6: Final answer
x = 216,514.80
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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.