Finding the Fourth Proportional to 294,303.40, 406,124.78 and 163,489.48
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Solution
The fourth proportional to 294,303.40, 406,124.78 and 163,489.48 is: 225,607.75
Step by Step Solution
- Step 1: Write the proportion equation
294,303.40 : 406,124.78 = 163,489.48 : x - Step 2: Convert to fraction form
294,303.40/406,124.78 = 163,489.48/x - Step 3: Cross multiply
294,303.40x = 406,124.78 × 163,489.48 - Step 4: Simplify right side
294,303.40x = 66,397,129,097.31 - Step 5: Solve for x
x = 66,397,129,097.31/294,303.40 - Step 6: Final answer
x = 225,607.75
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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.