Finding the Fourth Proportional to 175,733.36, 242,506.68 and 100,278.08
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Solution
The fourth proportional to 175,733.36, 242,506.68 and 100,278.08 is: 138,380.69
Step by Step Solution
- Step 1: Write the proportion equation
175,733.36 : 242,506.68 = 100,278.08 : x - Step 2: Convert to fraction form
175,733.36/242,506.68 = 100,278.08/x - Step 3: Cross multiply
175,733.36x = 242,506.68 × 100,278.08 - Step 4: Simplify right side
175,733.36x = 24,318,104,257.57 - Step 5: Solve for x
x = 24,318,104,257.57/175,733.36 - Step 6: Final answer
x = 138,380.69
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1.5x scale
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.