Finding the Fourth Proportional to 352,345.12, 486,640.24 and 232,024.48
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Solution
The fourth proportional to 352,345.12, 486,640.24 and 232,024.48 is: 320,459.81
Step by Step Solution
- Step 1: Write the proportion equation
352,345.12 : 486,640.24 = 232,024.48 : x - Step 2: Convert to fraction form
352,345.12/486,640.24 = 232,024.48/x - Step 3: Cross multiply
352,345.12x = 486,640.24 × 232,024.48 - Step 4: Simplify right side
352,345.12x = 112,912,448,633.08 - Step 5: Solve for x
x = 112,912,448,633.08/352,345.12 - Step 6: Final answer
x = 320,459.81
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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.