Finding the Fourth Proportional to 519,895.68, 779,839.52 and 212,146.48
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Solution
The fourth proportional to 519,895.68, 779,839.52 and 212,146.48 is: 318,218.09
Step by Step Solution
- Step 1: Write the proportion equation
519,895.68 : 779,839.52 = 212,146.48 : x - Step 2: Convert to fraction form
519,895.68/779,839.52 = 212,146.48/x - Step 3: Cross multiply
519,895.68x = 779,839.52 × 212,146.48 - Step 4: Simplify right side
519,895.68x = 165,440,209,132.89 - Step 5: Solve for x
x = 165,440,209,132.89/519,895.68 - Step 6: Final answer
x = 318,218.09
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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.