Finding the Fourth Proportional to 401,316.42, 553,822.06 and 220,027.92
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Solution
The fourth proportional to 401,316.42, 553,822.06 and 220,027.92 is: 303,641.49
Step by Step Solution
- Step 1: Write the proportion equation
401,316.42 : 553,822.06 = 220,027.92 : x - Step 2: Convert to fraction form
401,316.42/553,822.06 = 220,027.92/x - Step 3: Cross multiply
401,316.42x = 553,822.06 × 220,027.92 - Step 4: Simplify right side
401,316.42x = 121,856,315,911.92 - Step 5: Solve for x
x = 121,856,315,911.92/401,316.42 - Step 6: Final answer
x = 303,641.49
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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.