Finding the Fourth Proportional to 621,574.24, 932,269.09 and 172,248.26
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Solution
The fourth proportional to 621,574.24, 932,269.09 and 172,248.26 is: 258,346.81
Step by Step Solution
- Step 1: Write the proportion equation
621,574.24 : 932,269.09 = 172,248.26 : x - Step 2: Convert to fraction form
621,574.24/932,269.09 = 172,248.26/x - Step 3: Cross multiply
621,574.24x = 932,269.09 × 172,248.26 - Step 4: Simplify right side
621,574.24x = 160,581,723,081.70 - Step 5: Solve for x
x = 160,581,723,081.70/621,574.24 - Step 6: Final answer
x = 258,346.81
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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.