Finding the Fourth Proportional to 621,814.24, 932,721.36 and 172,535.19
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Solution
The fourth proportional to 621,814.24, 932,721.36 and 172,535.19 is: 258,802.79
Step by Step Solution
- Step 1: Write the proportion equation
621,814.24 : 932,721.36 = 172,535.19 : x - Step 2: Convert to fraction form
621,814.24/932,721.36 = 172,535.19/x - Step 3: Cross multiply
621,814.24x = 932,721.36 × 172,535.19 - Step 4: Simplify right side
621,814.24x = 160,927,257,064.66 - Step 5: Solve for x
x = 160,927,257,064.66/621,814.24 - Step 6: Final answer
x = 258,802.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.