Finding the Fourth Proportional to 426,361.80, 588,363.86 and 235,371.09
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Solution
The fourth proportional to 426,361.80, 588,363.86 and 235,371.09 is: 324,803.59
Step by Step Solution
- Step 1: Write the proportion equation
426,361.80 : 588,363.86 = 235,371.09 : x - Step 2: Convert to fraction form
426,361.80/588,363.86 = 235,371.09/x - Step 3: Cross multiply
426,361.80x = 588,363.86 × 235,371.09 - Step 4: Simplify right side
426,361.80x = 138,483,843,044.81 - Step 5: Solve for x
x = 138,483,843,044.81/426,361.80 - Step 6: Final answer
x = 324,803.59
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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.