Finding the Fourth Proportional to 265,859.21, 366,820.08 and 156,966.09
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Solution
The fourth proportional to 265,859.21, 366,820.08 and 156,966.09 is: 216,574.46
Step by Step Solution
- Step 1: Write the proportion equation
265,859.21 : 366,820.08 = 156,966.09 : x - Step 2: Convert to fraction form
265,859.21/366,820.08 = 156,966.09/x - Step 3: Cross multiply
265,859.21x = 366,820.08 × 156,966.09 - Step 4: Simplify right side
265,859.21x = 57,578,313,691.09 - Step 5: Solve for x
x = 57,578,313,691.09/265,859.21 - Step 6: Final answer
x = 216,574.46
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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.