Finding the Fourth Proportional to 348,044.79, 521,033.76 and 189,793.47
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Solution
The fourth proportional to 348,044.79, 521,033.76 and 189,793.47 is: 284,126.66
Step by Step Solution
- Step 1: Write the proportion equation
348,044.79 : 521,033.76 = 189,793.47 : x - Step 2: Convert to fraction form
348,044.79/521,033.76 = 189,793.47/x - Step 3: Cross multiply
348,044.79x = 521,033.76 × 189,793.47 - Step 4: Simplify right side
348,044.79x = 98,888,805,297.55 - Step 5: Solve for x
x = 98,888,805,297.55/348,044.79 - Step 6: Final answer
x = 284,126.66
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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.