Finding the Fourth Proportional to 352,064.98, 485,813.95 and 216,104.66
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Solution
The fourth proportional to 352,064.98, 485,813.95 and 216,104.66 is: 298,202.50
Step by Step Solution
- Step 1: Write the proportion equation
352,064.98 : 485,813.95 = 216,104.66 : x - Step 2: Convert to fraction form
352,064.98/485,813.95 = 216,104.66/x - Step 3: Cross multiply
352,064.98x = 485,813.95 × 216,104.66 - Step 4: Simplify right side
352,064.98x = 104,986,658,556.07 - Step 5: Solve for x
x = 104,986,658,556.07/352,064.98 - Step 6: Final answer
x = 298,202.50
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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.