Finding the Fourth Proportional to 268,880.19, 403,317.54 and 69,199.80
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Solution
The fourth proportional to 268,880.19, 403,317.54 and 69,199.80 is: 103,798.99
Step by Step Solution
- Step 1: Write the proportion equation
268,880.19 : 403,317.54 = 69,199.80 : x - Step 2: Convert to fraction form
268,880.19/403,317.54 = 69,199.80/x - Step 3: Cross multiply
268,880.19x = 403,317.54 × 69,199.80 - Step 4: Simplify right side
268,880.19x = 27,909,493,104.49 - Step 5: Solve for x
x = 27,909,493,104.49/268,880.19 - Step 6: Final answer
x = 103,798.99
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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.