Finding the Fourth Proportional to 451,959.72, 623,702.70 and 248,014.08
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Solution
The fourth proportional to 451,959.72, 623,702.70 and 248,014.08 is: 342,258.49
Step by Step Solution
- Step 1: Write the proportion equation
451,959.72 : 623,702.70 = 248,014.08 : x - Step 2: Convert to fraction form
451,959.72/623,702.70 = 248,014.08/x - Step 3: Cross multiply
451,959.72x = 623,702.70 × 248,014.08 - Step 4: Simplify right side
451,959.72x = 154,687,051,334.02 - Step 5: Solve for x
x = 154,687,051,334.02/451,959.72 - Step 6: Final answer
x = 342,258.49
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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.