Finding the Fourth Proportional to 608,154.54, 911,229.90 and 208,575.99
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Solution
The fourth proportional to 608,154.54, 911,229.90 and 208,575.99 is: 312,520.36
Step by Step Solution
- Step 1: Write the proportion equation
608,154.54 : 911,229.90 = 208,575.99 : x - Step 2: Convert to fraction form
608,154.54/911,229.90 = 208,575.99/x - Step 3: Cross multiply
608,154.54x = 911,229.90 × 208,575.99 - Step 4: Simplify right side
608,154.54x = 190,060,678,510.10 - Step 5: Solve for x
x = 190,060,678,510.10/608,154.54 - Step 6: Final answer
x = 312,520.36
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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.