Finding the Fourth Proportional to 310,752.77, 428,851.62 and 174,793.05
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Solution
The fourth proportional to 310,752.77, 428,851.62 and 174,793.05 is: 241,221.61
Step by Step Solution
- Step 1: Write the proportion equation
310,752.77 : 428,851.62 = 174,793.05 : x - Step 2: Convert to fraction form
310,752.77/428,851.62 = 174,793.05/x - Step 3: Cross multiply
310,752.77x = 428,851.62 × 174,793.05 - Step 4: Simplify right side
310,752.77x = 74,960,282,657.24 - Step 5: Solve for x
x = 74,960,282,657.24/310,752.77 - Step 6: Final answer
x = 241,221.61
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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.