Finding the Fourth Proportional to 318,104.99, 476,512.98 and 147,083.66
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Solution
The fourth proportional to 318,104.99, 476,512.98 and 147,083.66 is: 220,327.48
Step by Step Solution
- Step 1: Write the proportion equation
318,104.99 : 476,512.98 = 147,083.66 : x - Step 2: Convert to fraction form
318,104.99/476,512.98 = 147,083.66/x - Step 3: Cross multiply
318,104.99x = 476,512.98 × 147,083.66 - Step 4: Simplify right side
318,104.99x = 70,087,270,753.34 - Step 5: Solve for x
x = 70,087,270,753.34/318,104.99 - Step 6: Final answer
x = 220,327.48
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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.