Finding the Fourth Proportional to 627,938.40, 941,775.84 and 207,115.68
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Solution
The fourth proportional to 627,938.40, 941,775.84 and 207,115.68 is: 310,630.06
Step by Step Solution
- Step 1: Write the proportion equation
627,938.40 : 941,775.84 = 207,115.68 : x - Step 2: Convert to fraction form
627,938.40/941,775.84 = 207,115.68/x - Step 3: Cross multiply
627,938.40x = 941,775.84 × 207,115.68 - Step 4: Simplify right side
627,938.40x = 195,056,543,509.17 - Step 5: Solve for x
x = 195,056,543,509.17/627,938.40 - Step 6: Final answer
x = 310,630.06
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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.