Finding the Fourth Proportional to 551,506.90, 827,260.99 and 172,429.62
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Solution
The fourth proportional to 551,506.90, 827,260.99 and 172,429.62 is: 258,644.62
Step by Step Solution
- Step 1: Write the proportion equation
551,506.90 : 827,260.99 = 172,429.62 : x - Step 2: Convert to fraction form
551,506.90/827,260.99 = 172,429.62/x - Step 3: Cross multiply
551,506.90x = 827,260.99 × 172,429.62 - Step 4: Simplify right side
551,506.90x = 142,644,294,441.29 - Step 5: Solve for x
x = 142,644,294,441.29/551,506.90 - Step 6: Final answer
x = 258,644.62
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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.