Finding the Fourth Proportional to 117,520.10, 176,350.19 and 42,646.08
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Solution
The fourth proportional to 117,520.10, 176,350.19 and 42,646.08 is: 63,994.54
Step by Step Solution
- Step 1: Write the proportion equation
117,520.10 : 176,350.19 = 42,646.08 : x - Step 2: Convert to fraction form
117,520.10/176,350.19 = 42,646.08/x - Step 3: Cross multiply
117,520.10x = 176,350.19 × 42,646.08 - Step 4: Simplify right side
117,520.10x = 7,520,644,751.63 - Step 5: Solve for x
x = 7,520,644,751.63/117,520.10 - Step 6: Final answer
x = 63,994.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.