Finding the Fourth Proportional to 176,705.13, 243,853.08 and 97,217.13
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Solution
The fourth proportional to 176,705.13, 243,853.08 and 97,217.13 is: 134,159.64
Step by Step Solution
- Step 1: Write the proportion equation
176,705.13 : 243,853.08 = 97,217.13 : x - Step 2: Convert to fraction form
176,705.13/243,853.08 = 97,217.13/x - Step 3: Cross multiply
176,705.13x = 243,853.08 × 97,217.13 - Step 4: Simplify right side
176,705.13x = 23,706,696,579.26 - Step 5: Solve for x
x = 23,706,696,579.26/176,705.13 - Step 6: Final answer
x = 134,159.64
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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.