Finding the Fourth Proportional to 424,693.50, 637,294.64 and 158,640.99
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Solution
The fourth proportional to 424,693.50, 637,294.64 and 158,640.99 is: 238,056.51
Step by Step Solution
- Step 1: Write the proportion equation
424,693.50 : 637,294.64 = 158,640.99 : x - Step 2: Convert to fraction form
424,693.50/637,294.64 = 158,640.99/x - Step 3: Cross multiply
424,693.50x = 637,294.64 × 158,640.99 - Step 4: Simplify right side
424,693.50x = 101,101,051,818.09 - Step 5: Solve for x
x = 101,101,051,818.09/424,693.50 - Step 6: Final answer
x = 238,056.51
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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.