Finding the Fourth Proportional to 621,669.20, 932,503.80 and 201,246.80
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Solution
The fourth proportional to 621,669.20, 932,503.80 and 201,246.80 is: 301,870.20
Step by Step Solution
- Step 1: Write the proportion equation
621,669.20 : 932,503.80 = 201,246.80 : x - Step 2: Convert to fraction form
621,669.20/932,503.80 = 201,246.80/x - Step 3: Cross multiply
621,669.20x = 932,503.80 × 201,246.80 - Step 4: Simplify right side
621,669.20x = 187,663,405,737.84 - Step 5: Solve for x
x = 187,663,405,737.84/621,669.20 - Step 6: Final answer
x = 301,870.20
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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.