Finding the Fourth Proportional to 451,894.97, 623,637.70 and 258,312.67
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Solution
The fourth proportional to 451,894.97, 623,637.70 and 258,312.67 is: 356,484.42
Step by Step Solution
- Step 1: Write the proportion equation
451,894.97 : 623,637.70 = 258,312.67 : x - Step 2: Convert to fraction form
451,894.97/623,637.70 = 258,312.67/x - Step 3: Cross multiply
451,894.97x = 623,637.70 × 258,312.67 - Step 4: Simplify right side
451,894.97x = 161,093,517,194.78 - Step 5: Solve for x
x = 161,093,517,194.78/451,894.97 - Step 6: Final answer
x = 356,484.42
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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.