Finding the Fourth Proportional to 108,329.49, 149,496.75 and 60,588.09
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Solution
The fourth proportional to 108,329.49, 149,496.75 and 60,588.09 is: 83,612.71
Step by Step Solution
- Step 1: Write the proportion equation
108,329.49 : 149,496.75 = 60,588.09 : x - Step 2: Convert to fraction form
108,329.49/149,496.75 = 60,588.09/x - Step 3: Cross multiply
108,329.49x = 149,496.75 × 60,588.09 - Step 4: Simplify right side
108,329.49x = 9,057,722,543.71 - Step 5: Solve for x
x = 9,057,722,543.71/108,329.49 - Step 6: Final answer
x = 83,612.71
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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.