Finding the Fourth Proportional to 287,430.64, 427,753.17 and 277,852.48
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Solution
The fourth proportional to 287,430.64, 427,753.17 and 277,852.48 is: 413,498.99
Step by Step Solution
- Step 1: Write the proportion equation
287,430.64 : 427,753.17 = 277,852.48 : x - Step 2: Convert to fraction form
287,430.64/427,753.17 = 277,852.48/x - Step 3: Cross multiply
287,430.64x = 427,753.17 × 277,852.48 - Step 4: Simplify right side
287,430.64x = 118,852,278,042.98 - Step 5: Solve for x
x = 118,852,278,042.98/287,430.64 - Step 6: Final answer
x = 413,498.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.