Finding the Fourth Proportional to 228,802.71, 315,560.55 and 161,043.99
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Solution
The fourth proportional to 228,802.71, 315,560.55 and 161,043.99 is: 222,108.95
Step by Step Solution
- Step 1: Write the proportion equation
228,802.71 : 315,560.55 = 161,043.99 : x - Step 2: Convert to fraction form
228,802.71/315,560.55 = 161,043.99/x - Step 3: Cross multiply
228,802.71x = 315,560.55 × 161,043.99 - Step 4: Simplify right side
228,802.71x = 50,819,130,058.59 - Step 5: Solve for x
x = 50,819,130,058.59/228,802.71 - Step 6: Final answer
x = 222,108.95
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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.