Finding the Fourth Proportional to 162,935.40, 224,860.10 and 91,320.05
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Solution
The fourth proportional to 162,935.40, 224,860.10 and 91,320.05 is: 126,026.84
Step by Step Solution
- Step 1: Write the proportion equation
162,935.40 : 224,860.10 = 91,320.05 : x - Step 2: Convert to fraction form
162,935.40/224,860.10 = 91,320.05/x - Step 3: Cross multiply
162,935.40x = 224,860.10 × 91,320.05 - Step 4: Simplify right side
162,935.40x = 20,534,233,994.10 - Step 5: Solve for x
x = 20,534,233,994.10/162,935.40 - Step 6: Final answer
x = 126,026.84
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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.