Finding the Fourth Proportional to 346,266.25, 477,855.48 and 217,210.17
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Solution
The fourth proportional to 346,266.25, 477,855.48 and 217,210.17 is: 299,755.09
Step by Step Solution
- Step 1: Write the proportion equation
346,266.25 : 477,855.48 = 217,210.17 : x - Step 2: Convert to fraction form
346,266.25/477,855.48 = 217,210.17/x - Step 3: Cross multiply
346,266.25x = 477,855.48 × 217,210.17 - Step 4: Simplify right side
346,266.25x = 103,795,070,046.23 - Step 5: Solve for x
x = 103,795,070,046.23/346,266.25 - Step 6: Final answer
x = 299,755.09
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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.