Finding the Fourth Proportional to 528,028.20, 791,847.90 and 173,053.80
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Solution
The fourth proportional to 528,028.20, 791,847.90 and 173,053.80 is: 259,516.99
Step by Step Solution
- Step 1: Write the proportion equation
528,028.20 : 791,847.90 = 173,053.80 : x - Step 2: Convert to fraction form
528,028.20/791,847.90 = 173,053.80/x - Step 3: Cross multiply
528,028.20x = 791,847.90 × 173,053.80 - Step 4: Simplify right side
528,028.20x = 137,032,288,117.02 - Step 5: Solve for x
x = 137,032,288,117.02/528,028.20 - Step 6: Final answer
x = 259,516.99
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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.