Finding the Fourth Proportional to 451,963.74, 623,708.23 and 248,018.07
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Solution
The fourth proportional to 451,963.74, 623,708.23 and 248,018.07 is: 342,263.99
Step by Step Solution
- Step 1: Write the proportion equation
451,963.74 : 623,708.23 = 248,018.07 : x - Step 2: Convert to fraction form
451,963.74/623,708.23 = 248,018.07/x - Step 3: Cross multiply
451,963.74x = 623,708.23 × 248,018.07 - Step 4: Simplify right side
451,963.74x = 154,690,911,447.72 - Step 5: Solve for x
x = 154,690,911,447.72/451,963.74 - Step 6: Final answer
x = 342,263.99
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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.