Finding the Fourth Proportional to 451,805.50, 623,493.88 and 247,875.26
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Solution
The fourth proportional to 451,805.50, 623,493.88 and 247,875.26 is: 342,069.12
Step by Step Solution
- Step 1: Write the proportion equation
451,805.50 : 623,493.88 = 247,875.26 : x - Step 2: Convert to fraction form
451,805.50/623,493.88 = 247,875.26/x - Step 3: Cross multiply
451,805.50x = 623,493.88 × 247,875.26 - Step 4: Simplify right side
451,805.50x = 154,548,709,834.13 - Step 5: Solve for x
x = 154,548,709,834.13/451,805.50 - Step 6: Final answer
x = 342,069.12
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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.