Finding the Fourth Proportional to 286,718.18, 395,731.29 and 181,874.31
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Solution
The fourth proportional to 286,718.18, 395,731.29 and 181,874.31 is: 251,024.73
Step by Step Solution
- Step 1: Write the proportion equation
286,718.18 : 395,731.29 = 181,874.31 : x - Step 2: Convert to fraction form
286,718.18/395,731.29 = 181,874.31/x - Step 3: Cross multiply
286,718.18x = 395,731.29 × 181,874.31 - Step 4: Simplify right side
286,718.18x = 71,973,354,632.13 - Step 5: Solve for x
x = 71,973,354,632.13/286,718.18 - Step 6: Final answer
x = 251,024.73
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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.