Finding the Fourth Proportional to 307,486.24, 424,330.32 and 173,349.28
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Solution
The fourth proportional to 307,486.24, 424,330.32 and 173,349.28 is: 239,221.62
Step by Step Solution
- Step 1: Write the proportion equation
307,486.24 : 424,330.32 = 173,349.28 : x - Step 2: Convert to fraction form
307,486.24/424,330.32 = 173,349.28/x - Step 3: Cross multiply
307,486.24x = 424,330.32 × 173,349.28 - Step 4: Simplify right side
307,486.24x = 73,557,355,454.17 - Step 5: Solve for x
x = 73,557,355,454.17/307,486.24 - Step 6: Final answer
x = 239,221.62
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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.