Finding the Fourth Proportional to 426,368.16, 588,378.56 and 232,768.44
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Solution
The fourth proportional to 426,368.16, 588,378.56 and 232,768.44 is: 321,215.26
Step by Step Solution
- Step 1: Write the proportion equation
426,368.16 : 588,378.56 = 232,768.44 : x - Step 2: Convert to fraction form
426,368.16/588,378.56 = 232,768.44/x - Step 3: Cross multiply
426,368.16x = 588,378.56 × 232,768.44 - Step 4: Simplify right side
426,368.16x = 136,955,958,376.80 - Step 5: Solve for x
x = 136,955,958,376.80/426,368.16 - Step 6: Final answer
x = 321,215.26
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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.