Finding the Fourth Proportional to 171,496.64, 236,674.18 and 103,512.68
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Solution
The fourth proportional to 171,496.64, 236,674.18 and 103,512.68 is: 142,852.82
Step by Step Solution
- Step 1: Write the proportion equation
171,496.64 : 236,674.18 = 103,512.68 : x - Step 2: Convert to fraction form
171,496.64/236,674.18 = 103,512.68/x - Step 3: Cross multiply
171,496.64x = 236,674.18 × 103,512.68 - Step 4: Simplify right side
171,496.64x = 24,498,779,532.31 - Step 5: Solve for x
x = 24,498,779,532.31/171,496.64 - Step 6: Final answer
x = 142,852.82
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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.