Finding the Fourth Proportional to 302,502.68, 417,447.14 and 166,531.43
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Solution
The fourth proportional to 302,502.68, 417,447.14 and 166,531.43 is: 229,809.75
Step by Step Solution
- Step 1: Write the proportion equation
302,502.68 : 417,447.14 = 166,531.43 : x - Step 2: Convert to fraction form
302,502.68/417,447.14 = 166,531.43/x - Step 3: Cross multiply
302,502.68x = 417,447.14 × 166,531.43 - Step 4: Simplify right side
302,502.68x = 69,518,067,036.43 - Step 5: Solve for x
x = 69,518,067,036.43/302,502.68 - Step 6: Final answer
x = 229,809.75
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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.