Finding the Fourth Proportional to 476,749.74, 657,972.92 and 275,545.74
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Solution
The fourth proportional to 476,749.74, 657,972.92 and 275,545.74 is: 380,286.80
Step by Step Solution
- Step 1: Write the proportion equation
476,749.74 : 657,972.92 = 275,545.74 : x - Step 2: Convert to fraction form
476,749.74/657,972.92 = 275,545.74/x - Step 3: Cross multiply
476,749.74x = 657,972.92 × 275,545.74 - Step 4: Simplify right side
476,749.74x = 181,301,635,141.36 - Step 5: Solve for x
x = 181,301,635,141.36/476,749.74 - Step 6: Final answer
x = 380,286.80
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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.