Finding the Fourth Proportional to 421,029.74, 631,701.75 and 252,670.84
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Solution
The fourth proportional to 421,029.74, 631,701.75 and 252,670.84 is: 379,100.56
Step by Step Solution
- Step 1: Write the proportion equation
421,029.74 : 631,701.75 = 252,670.84 : x - Step 2: Convert to fraction form
421,029.74/631,701.75 = 252,670.84/x - Step 3: Cross multiply
421,029.74x = 631,701.75 × 252,670.84 - Step 4: Simplify right side
421,029.74x = 159,612,608,643.46 - Step 5: Solve for x
x = 159,612,608,643.46/421,029.74 - Step 6: Final answer
x = 379,100.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.