Finding the Fourth Proportional to 608,155.54, 911,231.40 and 208,576.99
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Solution
The fourth proportional to 608,155.54, 911,231.40 and 208,576.99 is: 312,521.86
Step by Step Solution
- Step 1: Write the proportion equation
608,155.54 : 911,231.40 = 208,576.99 : x - Step 2: Convert to fraction form
608,155.54/911,231.40 = 208,576.99/x - Step 3: Cross multiply
608,155.54x = 911,231.40 × 208,576.99 - Step 4: Simplify right side
608,155.54x = 190,061,902,605.49 - Step 5: Solve for x
x = 190,061,902,605.49/608,155.54 - Step 6: Final answer
x = 312,521.86
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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.