Finding the Fourth Proportional to 508,088.54, 701,238.99 and 290,343.04
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Solution
The fourth proportional to 508,088.54, 701,238.99 and 290,343.04 is: 400,717.28
Step by Step Solution
- Step 1: Write the proportion equation
508,088.54 : 701,238.99 = 290,343.04 : x - Step 2: Convert to fraction form
508,088.54/701,238.99 = 290,343.04/x - Step 3: Cross multiply
508,088.54x = 701,238.99 × 290,343.04 - Step 4: Simplify right side
508,088.54x = 203,599,860,123.13 - Step 5: Solve for x
x = 203,599,860,123.13/508,088.54 - Step 6: Final answer
x = 400,717.28
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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.