Finding the Fourth Proportional to 621,809.70, 932,714.55 and 201,387.30
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Solution
The fourth proportional to 621,809.70, 932,714.55 and 201,387.30 is: 302,080.95
Step by Step Solution
- Step 1: Write the proportion equation
621,809.70 : 932,714.55 = 201,387.30 : x - Step 2: Convert to fraction form
621,809.70/932,714.55 = 201,387.30/x - Step 3: Cross multiply
621,809.70x = 932,714.55 × 201,387.30 - Step 4: Simplify right side
621,809.70x = 187,836,864,895.22 - Step 5: Solve for x
x = 187,836,864,895.22/621,809.70 - Step 6: Final answer
x = 302,080.95
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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.