Finding the Fourth Proportional to 320,442.24, 442,217.76 and 177,205.08
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Solution
The fourth proportional to 320,442.24, 442,217.76 and 177,205.08 is: 244,547.14
Step by Step Solution
- Step 1: Write the proportion equation
320,442.24 : 442,217.76 = 177,205.08 : x - Step 2: Convert to fraction form
320,442.24/442,217.76 = 177,205.08/x - Step 3: Cross multiply
320,442.24x = 442,217.76 × 177,205.08 - Step 4: Simplify right side
320,442.24x = 78,363,233,538.22 - Step 5: Solve for x
x = 78,363,233,538.22/320,442.24 - Step 6: Final answer
x = 244,547.14
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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.