Finding the Fourth Proportional to 346,857.75, 520,286.76 and 97,539.75
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Solution
The fourth proportional to 346,857.75, 520,286.76 and 97,539.75 is: 146,309.66
Step by Step Solution
- Step 1: Write the proportion equation
346,857.75 : 520,286.76 = 97,539.75 : x - Step 2: Convert to fraction form
346,857.75/520,286.76 = 97,539.75/x - Step 3: Cross multiply
346,857.75x = 520,286.76 × 97,539.75 - Step 4: Simplify right side
346,857.75x = 50,748,640,498.71 - Step 5: Solve for x
x = 50,748,640,498.71/346,857.75 - Step 6: Final answer
x = 146,309.66
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1.5x scale
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.