Finding the Fourth Proportional to 403,721.50, 557,135.68 and 234,054.04
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Solution
The fourth proportional to 403,721.50, 557,135.68 and 234,054.04 is: 322,994.58
Step by Step Solution
- Step 1: Write the proportion equation
403,721.50 : 557,135.68 = 234,054.04 : x - Step 2: Convert to fraction form
403,721.50/557,135.68 = 234,054.04/x - Step 3: Cross multiply
403,721.50x = 557,135.68 × 234,054.04 - Step 4: Simplify right side
403,721.50x = 130,399,856,732.15 - Step 5: Solve for x
x = 130,399,856,732.15/403,721.50 - Step 6: Final answer
x = 322,994.58
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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.