Finding the Fourth Proportional to 618,106.74, 853,119.10 and 363,603.12
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Solution
The fourth proportional to 618,106.74, 853,119.10 and 363,603.12 is: 501,849.84
Step by Step Solution
- Step 1: Write the proportion equation
618,106.74 : 853,119.10 = 363,603.12 : x - Step 2: Convert to fraction form
618,106.74/853,119.10 = 363,603.12/x - Step 3: Cross multiply
618,106.74x = 853,119.10 × 363,603.12 - Step 4: Simplify right side
618,106.74x = 310,196,766,491.59 - Step 5: Solve for x
x = 310,196,766,491.59/618,106.74 - Step 6: Final answer
x = 501,849.84
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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.