Finding the Fourth Proportional to 519,307.08, 779,201.73 and 199,352.49
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Solution
The fourth proportional to 519,307.08, 779,201.73 and 199,352.49 is: 299,121.29
Step by Step Solution
- Step 1: Write the proportion equation
519,307.08 : 779,201.73 = 199,352.49 : x - Step 2: Convert to fraction form
519,307.08/779,201.73 = 199,352.49/x - Step 3: Cross multiply
519,307.08x = 779,201.73 × 199,352.49 - Step 4: Simplify right side
519,307.08x = 155,335,805,087.81 - Step 5: Solve for x
x = 155,335,805,087.81/519,307.08 - Step 6: Final answer
x = 299,121.29
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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.