Finding the Fourth Proportional to 162,705.04, 224,507.12 and 91,088.08
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Solution
The fourth proportional to 162,705.04, 224,507.12 and 91,088.08 is: 125,687.09
Step by Step Solution
- Step 1: Write the proportion equation
162,705.04 : 224,507.12 = 91,088.08 : x - Step 2: Convert to fraction form
162,705.04/224,507.12 = 91,088.08/x - Step 3: Cross multiply
162,705.04x = 224,507.12 × 91,088.08 - Step 4: Simplify right side
162,705.04x = 20,449,922,507.13 - Step 5: Solve for x
x = 20,449,922,507.13/162,705.04 - Step 6: Final answer
x = 125,687.09
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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.