Finding the Fourth Proportional to 360,241.78, 539,919.74 and 202,138.06
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Solution
The fourth proportional to 360,241.78, 539,919.74 and 202,138.06 is: 302,958.55
Step by Step Solution
- Step 1: Write the proportion equation
360,241.78 : 539,919.74 = 202,138.06 : x - Step 2: Convert to fraction form
360,241.78/539,919.74 = 202,138.06/x - Step 3: Cross multiply
360,241.78x = 539,919.74 × 202,138.06 - Step 4: Simplify right side
360,241.78x = 109,138,328,799.30 - Step 5: Solve for x
x = 109,138,328,799.30/360,241.78 - Step 6: Final answer
x = 302,958.55
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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.