Finding the Fourth Proportional to 346,367.69, 478,317.54 and 327,497.65
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Solution
The fourth proportional to 346,367.69, 478,317.54 and 327,497.65 is: 452,258.89
Step by Step Solution
- Step 1: Write the proportion equation
346,367.69 : 478,317.54 = 327,497.65 : x - Step 2: Convert to fraction form
346,367.69/478,317.54 = 327,497.65/x - Step 3: Cross multiply
346,367.69x = 478,317.54 × 327,497.65 - Step 4: Simplify right side
346,367.69x = 156,647,868,493.93 - Step 5: Solve for x
x = 156,647,868,493.93/346,367.69 - Step 6: Final answer
x = 452,258.89
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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.