Finding the Fourth Proportional to 265,886.70, 366,924.79 and 145,030.58
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Solution
The fourth proportional to 265,886.70, 366,924.79 and 145,030.58 is: 200,142.83
Step by Step Solution
- Step 1: Write the proportion equation
265,886.70 : 366,924.79 = 145,030.58 : x - Step 2: Convert to fraction form
265,886.70/366,924.79 = 145,030.58/x - Step 3: Cross multiply
265,886.70x = 366,924.79 × 145,030.58 - Step 4: Simplify right side
265,886.70x = 53,215,316,389.97 - Step 5: Solve for x
x = 53,215,316,389.97/265,886.70 - Step 6: Final answer
x = 200,142.83
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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.