Finding the Fourth Proportional to 325,403.61, 486,239.91 and 248,038.49
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Solution
The fourth proportional to 325,403.61, 486,239.91 and 248,038.49 is: 370,635.75
Step by Step Solution
- Step 1: Write the proportion equation
325,403.61 : 486,239.91 = 248,038.49 : x - Step 2: Convert to fraction form
325,403.61/486,239.91 = 248,038.49/x - Step 3: Cross multiply
325,403.61x = 486,239.91 × 248,038.49 - Step 4: Simplify right side
325,403.61x = 120,606,210,622.94 - Step 5: Solve for x
x = 120,606,210,622.94/325,403.61 - Step 6: Final answer
x = 370,635.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.