Finding the Fourth Proportional to 448,619.95, 619,302.84 and 276,568.66
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Solution
The fourth proportional to 448,619.95, 619,302.84 and 276,568.66 is: 381,792.55
Step by Step Solution
- Step 1: Write the proportion equation
448,619.95 : 619,302.84 = 276,568.66 : x - Step 2: Convert to fraction form
448,619.95/619,302.84 = 276,568.66/x - Step 3: Cross multiply
448,619.95x = 619,302.84 × 276,568.66 - Step 4: Simplify right side
448,619.95x = 171,279,756,592.99 - Step 5: Solve for x
x = 171,279,756,592.99/448,619.95 - Step 6: Final answer
x = 381,792.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.