Finding the Fourth Proportional to 472,394.49, 708,378.44 and 135,357.96
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Solution
The fourth proportional to 472,394.49, 708,378.44 and 135,357.96 is: 202,975.82
Step by Step Solution
- Step 1: Write the proportion equation
472,394.49 : 708,378.44 = 135,357.96 : x - Step 2: Convert to fraction form
472,394.49/708,378.44 = 135,357.96/x - Step 3: Cross multiply
472,394.49x = 708,378.44 × 135,357.96 - Step 4: Simplify right side
472,394.49x = 95,884,659,869.59 - Step 5: Solve for x
x = 95,884,659,869.59/472,394.49 - Step 6: Final answer
x = 202,975.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.