Finding the Fourth Proportional to 286,536.34, 395,412.33 and 159,208.66
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Solution
The fourth proportional to 286,536.34, 395,412.33 and 159,208.66 is: 219,703.61
Step by Step Solution
- Step 1: Write the proportion equation
286,536.34 : 395,412.33 = 159,208.66 : x - Step 2: Convert to fraction form
286,536.34/395,412.33 = 159,208.66/x - Step 3: Cross multiply
286,536.34x = 395,412.33 × 159,208.66 - Step 4: Simplify right side
286,536.34x = 62,953,067,206.78 - Step 5: Solve for x
x = 62,953,067,206.78/286,536.34 - Step 6: Final answer
x = 219,703.61
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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.