Finding the Fourth Proportional to 145,852.13, 218,815.10 and 40,671.09
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Solution
The fourth proportional to 145,852.13, 218,815.10 and 40,671.09 is: 61,016.93
Step by Step Solution
- Step 1: Write the proportion equation
145,852.13 : 218,815.10 = 40,671.09 : x - Step 2: Convert to fraction form
145,852.13/218,815.10 = 40,671.09/x - Step 3: Cross multiply
145,852.13x = 218,815.10 × 40,671.09 - Step 4: Simplify right side
145,852.13x = 8,899,448,422.10 - Step 5: Solve for x
x = 8,899,448,422.10/145,852.13 - Step 6: Final answer
x = 61,016.93
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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.