Finding the Fourth Proportional to 364,545.20, 546,817.80 and 329,115.80
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Solution
The fourth proportional to 364,545.20, 546,817.80 and 329,115.80 is: 493,673.70
Step by Step Solution
- Step 1: Write the proportion equation
364,545.20 : 546,817.80 = 329,115.80 : x - Step 2: Convert to fraction form
364,545.20/546,817.80 = 329,115.80/x - Step 3: Cross multiply
364,545.20x = 546,817.80 × 329,115.80 - Step 4: Simplify right side
364,545.20x = 179,966,377,701.24 - Step 5: Solve for x
x = 179,966,377,701.24/364,545.20 - Step 6: Final answer
x = 493,673.70
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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.