Finding the Fourth Proportional to 401,970.24, 554,771.52 and 232,205.76
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Solution
The fourth proportional to 401,970.24, 554,771.52 and 232,205.76 is: 320,474.33
Step by Step Solution
- Step 1: Write the proportion equation
401,970.24 : 554,771.52 = 232,205.76 : x - Step 2: Convert to fraction form
401,970.24/554,771.52 = 232,205.76/x - Step 3: Cross multiply
401,970.24x = 554,771.52 × 232,205.76 - Step 4: Simplify right side
401,970.24x = 128,821,142,427.96 - Step 5: Solve for x
x = 128,821,142,427.96/401,970.24 - Step 6: Final answer
x = 320,474.33
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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.