Finding the Fourth Proportional to 272,353.40, 408,530.10 and 183,123.80
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Solution
The fourth proportional to 272,353.40, 408,530.10 and 183,123.80 is: 274,685.70
Step by Step Solution
- Step 1: Write the proportion equation
272,353.40 : 408,530.10 = 183,123.80 : x - Step 2: Convert to fraction form
272,353.40/408,530.10 = 183,123.80/x - Step 3: Cross multiply
272,353.40x = 408,530.10 × 183,123.80 - Step 4: Simplify right side
272,353.40x = 74,811,584,326.38 - Step 5: Solve for x
x = 74,811,584,326.38/272,353.40 - Step 6: Final answer
x = 274,685.70
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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.