Finding the Fourth Proportional to 610,306.12, 842,181.30 and 352,193.79
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Solution
The fourth proportional to 610,306.12, 842,181.30 and 352,193.79 is: 486,003.69
Step by Step Solution
- Step 1: Write the proportion equation
610,306.12 : 842,181.30 = 352,193.79 : x - Step 2: Convert to fraction form
610,306.12/842,181.30 = 352,193.79/x - Step 3: Cross multiply
610,306.12x = 842,181.30 × 352,193.79 - Step 4: Simplify right side
610,306.12x = 296,611,023,914.13 - Step 5: Solve for x
x = 296,611,023,914.13/610,306.12 - Step 6: Final answer
x = 486,003.69
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1.5x scale
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.