Finding the Fourth Proportional to 451,664.80, 676,114.80 and 327,248.80
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Solution
The fourth proportional to 451,664.80, 676,114.80 and 327,248.80 is: 489,871.60
Step by Step Solution
- Step 1: Write the proportion equation
451,664.80 : 676,114.80 = 327,248.80 : x - Step 2: Convert to fraction form
451,664.80/676,114.80 = 327,248.80/x - Step 3: Cross multiply
451,664.80x = 676,114.80 × 327,248.80 - Step 4: Simplify right side
451,664.80x = 221,257,756,962.24 - Step 5: Solve for x
x = 221,257,756,962.24/451,664.80 - Step 6: Final answer
x = 489,871.60
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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.