Finding the Fourth Proportional to 310,310.20, 465,465.30 and 110,637.10
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Solution
The fourth proportional to 310,310.20, 465,465.30 and 110,637.10 is: 165,955.65
Step by Step Solution
- Step 1: Write the proportion equation
310,310.20 : 465,465.30 = 110,637.10 : x - Step 2: Convert to fraction form
310,310.20/465,465.30 = 110,637.10/x - Step 3: Cross multiply
310,310.20x = 465,465.30 × 110,637.10 - Step 4: Simplify right side
310,310.20x = 51,497,730,942.63 - Step 5: Solve for x
x = 51,497,730,942.63/310,310.20 - Step 6: Final answer
x = 165,955.65
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Similar ratio
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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.