Finding the Fourth Proportional to 615,047.80, 922,571.70 and 283,271.80
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Solution
The fourth proportional to 615,047.80, 922,571.70 and 283,271.80 is: 424,907.70
Step by Step Solution
- Step 1: Write the proportion equation
615,047.80 : 922,571.70 = 283,271.80 : x - Step 2: Convert to fraction form
615,047.80/922,571.70 = 283,271.80/x - Step 3: Cross multiply
615,047.80x = 922,571.70 × 283,271.80 - Step 4: Simplify right side
615,047.80x = 261,338,546,088.06 - Step 5: Solve for x
x = 261,338,546,088.06/615,047.80 - Step 6: Final answer
x = 424,907.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.