Finding the Fourth Proportional to 280,637.08, 420,283.14 and 204,531.64
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Solution
The fourth proportional to 280,637.08, 420,283.14 and 204,531.64 is: 306,307.35
Step by Step Solution
- Step 1: Write the proportion equation
280,637.08 : 420,283.14 = 204,531.64 : x - Step 2: Convert to fraction form
280,637.08/420,283.14 = 204,531.64/x - Step 3: Cross multiply
280,637.08x = 420,283.14 × 204,531.64 - Step 4: Simplify right side
280,637.08x = 85,961,199,888.55 - Step 5: Solve for x
x = 85,961,199,888.55/280,637.08 - Step 6: Final answer
x = 306,307.35
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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.