Finding the Fourth Proportional to 310,991.76, 466,192.08 and 121,573.62
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Solution
The fourth proportional to 310,991.76, 466,192.08 and 121,573.62 is: 182,244.89
Step by Step Solution
- Step 1: Write the proportion equation
310,991.76 : 466,192.08 = 121,573.62 : x - Step 2: Convert to fraction form
310,991.76/466,192.08 = 121,573.62/x - Step 3: Cross multiply
310,991.76x = 466,192.08 × 121,573.62 - Step 4: Simplify right side
310,991.76x = 56,676,658,780.93 - Step 5: Solve for x
x = 56,676,658,780.93/310,991.76 - Step 6: Final answer
x = 182,244.89
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1.5x scale
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.