Finding the Fourth Proportional to 298,607.95, 446,859.90 and 186,340.99
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Solution
The fourth proportional to 298,607.95, 446,859.90 and 186,340.99 is: 278,854.99
Step by Step Solution
- Step 1: Write the proportion equation
298,607.95 : 446,859.90 = 186,340.99 : x - Step 2: Convert to fraction form
298,607.95/446,859.90 = 186,340.99/x - Step 3: Cross multiply
298,607.95x = 446,859.90 × 186,340.99 - Step 4: Simplify right side
298,607.95x = 83,268,316,157.30 - Step 5: Solve for x
x = 83,268,316,157.30/298,607.95 - Step 6: Final answer
x = 278,854.99
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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.