Finding the Fourth Proportional to 306,194,987.80, 459,292,481.70 and 220,101,545.80
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Solution
The fourth proportional to 306,194,987.80, 459,292,481.70 and 220,101,545.80 is: 330,152,318.70
Step by Step Solution
- Step 1: Write the proportion equation
306,194,987.80 : 459,292,481.70 = 220,101,545.80 : x - Step 2: Convert to fraction form
306,194,987.80/459,292,481.70 = 220,101,545.80/x - Step 3: Cross multiply
306,194,987.80x = 459,292,481.70 × 220,101,545.80 - Step 4: Simplify right side
306,194,987.80x = 101,090,985,196,488,208 - Step 5: Solve for x
x = 101,090,985,196,488,208/306,194,987.80 - Step 6: Final answer
x = 330,152,318.70
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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.