Finding the Fourth Proportional to 375,687.38, 518,501.73 and 232,493.55
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Solution
The fourth proportional to 375,687.38, 518,501.73 and 232,493.55 is: 320,873.99
Step by Step Solution
- Step 1: Write the proportion equation
375,687.38 : 518,501.73 = 232,493.55 : x - Step 2: Convert to fraction form
375,687.38/518,501.73 = 232,493.55/x - Step 3: Cross multiply
375,687.38x = 518,501.73 × 232,493.55 - Step 4: Simplify right side
375,687.38x = 120,548,307,888.84 - Step 5: Solve for x
x = 120,548,307,888.84/375,687.38 - Step 6: Final answer
x = 320,873.99
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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.