Finding the Fourth Proportional to 145,837.19, 201,348.20 and 119,043.41
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Solution
The fourth proportional to 145,837.19, 201,348.20 and 119,043.41 is: 164,355.71
Step by Step Solution
- Step 1: Write the proportion equation
145,837.19 : 201,348.20 = 119,043.41 : x - Step 2: Convert to fraction form
145,837.19/201,348.20 = 119,043.41/x - Step 3: Cross multiply
145,837.19x = 201,348.20 × 119,043.41 - Step 4: Simplify right side
145,837.19x = 23,969,175,616.23 - Step 5: Solve for x
x = 23,969,175,616.23/145,837.19 - Step 6: Final answer
x = 164,355.71
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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.