Finding the Fourth Proportional to 380,583.24, 525,197.88 and 219,445.08
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Solution
The fourth proportional to 380,583.24, 525,197.88 and 219,445.08 is: 302,830.18
Step by Step Solution
- Step 1: Write the proportion equation
380,583.24 : 525,197.88 = 219,445.08 : x - Step 2: Convert to fraction form
380,583.24/525,197.88 = 219,445.08/x - Step 3: Cross multiply
380,583.24x = 525,197.88 × 219,445.08 - Step 4: Simplify right side
380,583.24x = 115,252,090,792.43 - Step 5: Solve for x
x = 115,252,090,792.43/380,583.24 - Step 6: Final answer
x = 302,830.18
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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.