Finding the Fourth Proportional to 247,539.33, 341,626.05 and 138,641.99
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Solution
The fourth proportional to 247,539.33, 341,626.05 and 138,641.99 is: 191,338.13
Step by Step Solution
- Step 1: Write the proportion equation
247,539.33 : 341,626.05 = 138,641.99 : x - Step 2: Convert to fraction form
247,539.33/341,626.05 = 138,641.99/x - Step 3: Cross multiply
247,539.33x = 341,626.05 × 138,641.99 - Step 4: Simplify right side
247,539.33x = 47,363,713,699.71 - Step 5: Solve for x
x = 47,363,713,699.71/247,539.33 - Step 6: Final answer
x = 191,338.13
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.