Finding the Fourth Proportional to 361,551.60, 542,324.57 and 108,830.99
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Solution
The fourth proportional to 361,551.60, 542,324.57 and 108,830.99 is: 163,245.64
Step by Step Solution
- Step 1: Write the proportion equation
361,551.60 : 542,324.57 = 108,830.99 : x - Step 2: Convert to fraction form
361,551.60/542,324.57 = 108,830.99/x - Step 3: Cross multiply
361,551.60x = 542,324.57 × 108,830.99 - Step 4: Simplify right side
361,551.60x = 59,021,720,666.08 - Step 5: Solve for x
x = 59,021,720,666.08/361,551.60 - Step 6: Final answer
x = 163,245.64
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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.