Finding the Fourth Proportional to 265,887.20, 366,925.49 and 145,031.08
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Solution
The fourth proportional to 265,887.20, 366,925.49 and 145,031.08 is: 200,143.52
Step by Step Solution
- Step 1: Write the proportion equation
265,887.20 : 366,925.49 = 145,031.08 : x - Step 2: Convert to fraction form
265,887.20/366,925.49 = 145,031.08/x - Step 3: Cross multiply
265,887.20x = 366,925.49 × 145,031.08 - Step 4: Simplify right side
265,887.20x = 53,215,599,369.07 - Step 5: Solve for x
x = 53,215,599,369.07/265,887.20 - Step 6: Final answer
x = 200,143.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.