Finding the Fourth Proportional to 459,727.84, 634,276.74 and 278,381.80
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Solution
The fourth proportional to 459,727.84, 634,276.74 and 278,381.80 is: 384,077.46
Step by Step Solution
- Step 1: Write the proportion equation
459,727.84 : 634,276.74 = 278,381.80 : x - Step 2: Convert to fraction form
459,727.84/634,276.74 = 278,381.80/x - Step 3: Cross multiply
459,727.84x = 634,276.74 × 278,381.80 - Step 4: Simplify right side
459,727.84x = 176,571,100,579.33 - Step 5: Solve for x
x = 176,571,100,579.33/459,727.84 - Step 6: Final answer
x = 384,077.46
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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.