Finding the Fourth Proportional to 382,538.16, 574,068.36 and 133,220.08
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Solution
The fourth proportional to 382,538.16, 574,068.36 and 133,220.08 is: 199,921.06
Step by Step Solution
- Step 1: Write the proportion equation
382,538.16 : 574,068.36 = 133,220.08 : x - Step 2: Convert to fraction form
382,538.16/574,068.36 = 133,220.08/x - Step 3: Cross multiply
382,538.16x = 574,068.36 × 133,220.08 - Step 4: Simplify right side
382,538.16x = 76,477,432,844.67 - Step 5: Solve for x
x = 76,477,432,844.67/382,538.16 - Step 6: Final answer
x = 199,921.06
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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.