Finding the Fourth Proportional to 376,143.48, 560,305.80 and 355,771.17
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Solution
The fourth proportional to 376,143.48, 560,305.80 and 355,771.17 is: 529,959.07
Step by Step Solution
- Step 1: Write the proportion equation
376,143.48 : 560,305.80 = 355,771.17 : x - Step 2: Convert to fraction form
376,143.48/560,305.80 = 355,771.17/x - Step 3: Cross multiply
376,143.48x = 560,305.80 × 355,771.17 - Step 4: Simplify right side
376,143.48x = 199,340,650,023.79 - Step 5: Solve for x
x = 199,340,650,023.79/376,143.48 - Step 6: Final answer
x = 529,959.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.