Finding the Fourth Proportional to 610,752.96, 916,192.20 and 211,393.08
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Solution
The fourth proportional to 610,752.96, 916,192.20 and 211,393.08 is: 317,111.34
Step by Step Solution
- Step 1: Write the proportion equation
610,752.96 : 916,192.20 = 211,393.08 : x - Step 2: Convert to fraction form
610,752.96/916,192.20 = 211,393.08/x - Step 3: Cross multiply
610,752.96x = 916,192.20 × 211,393.08 - Step 4: Simplify right side
610,752.96x = 193,676,691,029.98 - Step 5: Solve for x
x = 193,676,691,029.98/610,752.96 - Step 6: Final answer
x = 317,111.34
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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.