Finding the Fourth Proportional to 268,824.09, 403,235.55 and 79,417.44
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Solution
The fourth proportional to 268,824.09, 403,235.55 and 79,417.44 is: 119,125.99
Step by Step Solution
- Step 1: Write the proportion equation
268,824.09 : 403,235.55 = 79,417.44 : x - Step 2: Convert to fraction form
268,824.09/403,235.55 = 79,417.44/x - Step 3: Cross multiply
268,824.09x = 403,235.55 × 79,417.44 - Step 4: Simplify right side
268,824.09x = 32,023,935,097.99 - Step 5: Solve for x
x = 32,023,935,097.99/268,824.09 - Step 6: Final answer
x = 119,125.99
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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.