Finding the Fourth Proportional to 121,492.04, 182,306.10 and 51,423.80
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Solution
The fourth proportional to 121,492.04, 182,306.10 and 51,423.80 is: 77,164.50
Step by Step Solution
- Step 1: Write the proportion equation
121,492.04 : 182,306.10 = 51,423.80 : x - Step 2: Convert to fraction form
121,492.04/182,306.10 = 51,423.80/x - Step 3: Cross multiply
121,492.04x = 182,306.10 × 51,423.80 - Step 4: Simplify right side
121,492.04x = 9,374,872,425.18 - Step 5: Solve for x
x = 9,374,872,425.18/121,492.04 - Step 6: Final answer
x = 77,164.50
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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.