Finding the Fourth Proportional to 383,331.58, 528,985.18 and 220,014.97
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Solution
The fourth proportional to 383,331.58, 528,985.18 and 220,014.97 is: 303,613.53
Step by Step Solution
- Step 1: Write the proportion equation
383,331.58 : 528,985.18 = 220,014.97 : x - Step 2: Convert to fraction form
383,331.58/528,985.18 = 220,014.97/x - Step 3: Cross multiply
383,331.58x = 528,985.18 × 220,014.97 - Step 4: Simplify right side
383,331.58x = 116,384,654,763.14 - Step 5: Solve for x
x = 116,384,654,763.14/383,331.58 - Step 6: Final answer
x = 303,613.53
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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.