Finding the Fourth Proportional to 312,752.93, 468,951.62 and 123,110.48
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Solution
The fourth proportional to 312,752.93, 468,951.62 and 123,110.48 is: 184,595.75
Step by Step Solution
- Step 1: Write the proportion equation
312,752.93 : 468,951.62 = 123,110.48 : x - Step 2: Convert to fraction form
312,752.93/468,951.62 = 123,110.48/x - Step 3: Cross multiply
312,752.93x = 468,951.62 × 123,110.48 - Step 4: Simplify right side
312,752.93x = 57,732,859,591.80 - Step 5: Solve for x
x = 57,732,859,591.80/312,752.93 - Step 6: Final answer
x = 184,595.75
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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.