Finding the Fourth Proportional to 175,731.36, 242,503.92 and 100,276.08
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Solution
The fourth proportional to 175,731.36, 242,503.92 and 100,276.08 is: 138,377.93
Step by Step Solution
- Step 1: Write the proportion equation
175,731.36 : 242,503.92 = 100,276.08 : x - Step 2: Convert to fraction form
175,731.36/242,503.92 = 100,276.08/x - Step 3: Cross multiply
175,731.36x = 242,503.92 × 100,276.08 - Step 4: Simplify right side
175,731.36x = 24,317,342,482.23 - Step 5: Solve for x
x = 24,317,342,482.23/175,731.36 - Step 6: Final answer
x = 138,377.93
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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.