Finding the Fourth Proportional to 451,898.19, 623,630.99 and 247,949.06
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Solution
The fourth proportional to 451,898.19, 623,630.99 and 247,949.06 is: 342,176.00
Step by Step Solution
- Step 1: Write the proportion equation
451,898.19 : 623,630.99 = 247,949.06 : x - Step 2: Convert to fraction form
451,898.19/623,630.99 = 247,949.06/x - Step 3: Cross multiply
451,898.19x = 623,630.99 × 247,949.06 - Step 4: Simplify right side
451,898.19x = 154,628,713,399.47 - Step 5: Solve for x
x = 154,628,713,399.47/451,898.19 - Step 6: Final answer
x = 342,176.00
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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.