Finding the Fourth Proportional to 680,753.80, 1,021,130.70 and 182,117.80
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Solution
The fourth proportional to 680,753.80, 1,021,130.70 and 182,117.80 is: 273,176.70
Step by Step Solution
- Step 1: Write the proportion equation
680,753.80 : 1,021,130.70 = 182,117.80 : x - Step 2: Convert to fraction form
680,753.80/1,021,130.70 = 182,117.80/x - Step 3: Cross multiply
680,753.80x = 1,021,130.70 × 182,117.80 - Step 4: Simplify right side
680,753.80x = 185,966,076,596.46 - Step 5: Solve for x
x = 185,966,076,596.46/680,753.80 - Step 6: Final answer
x = 273,176.70
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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.