Finding the Fourth Proportional to 162,859.23, 224,752.19 and 91,239.84
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Solution
The fourth proportional to 162,859.23, 224,752.19 and 91,239.84 is: 125,914.59
Step by Step Solution
- Step 1: Write the proportion equation
162,859.23 : 224,752.19 = 91,239.84 : x - Step 2: Convert to fraction form
162,859.23/224,752.19 = 91,239.84/x - Step 3: Cross multiply
162,859.23x = 224,752.19 × 91,239.84 - Step 4: Simplify right side
162,859.23x = 20,506,353,399.05 - Step 5: Solve for x
x = 20,506,353,399.05/162,859.23 - Step 6: Final answer
x = 125,914.59
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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.