Finding the Fourth Proportional to 346,523.74, 478,206.75 and 203,286.22
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Solution
The fourth proportional to 346,523.74, 478,206.75 and 203,286.22 is: 280,537.32
Step by Step Solution
- Step 1: Write the proportion equation
346,523.74 : 478,206.75 = 203,286.22 : x - Step 2: Convert to fraction form
346,523.74/478,206.75 = 203,286.22/x - Step 3: Cross multiply
346,523.74x = 478,206.75 × 203,286.22 - Step 4: Simplify right side
346,523.74x = 97,212,842,585.99 - Step 5: Solve for x
x = 97,212,842,585.99/346,523.74 - Step 6: Final answer
x = 280,537.32
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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.