Finding the Fourth Proportional to 375,394.08, 518,044.05 and 205,631.04
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Solution
The fourth proportional to 375,394.08, 518,044.05 and 205,631.04 is: 283,770.96
Step by Step Solution
- Step 1: Write the proportion equation
375,394.08 : 518,044.05 = 205,631.04 : x - Step 2: Convert to fraction form
375,394.08/518,044.05 = 205,631.04/x - Step 3: Cross multiply
375,394.08x = 518,044.05 × 205,631.04 - Step 4: Simplify right side
375,394.08x = 106,525,936,767.31 - Step 5: Solve for x
x = 106,525,936,767.31/375,394.08 - Step 6: Final answer
x = 283,770.96
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1.5x scale
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.