Finding the Fourth Proportional to 157,482.09, 236,321.55 and 63,987.84
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Solution
The fourth proportional to 157,482.09, 236,321.55 and 63,987.84 is: 96,021.75
Step by Step Solution
- Step 1: Write the proportion equation
157,482.09 : 236,321.55 = 63,987.84 : x - Step 2: Convert to fraction form
157,482.09/236,321.55 = 63,987.84/x - Step 3: Cross multiply
157,482.09x = 236,321.55 × 63,987.84 - Step 4: Simplify right side
157,482.09x = 15,121,705,529.95 - Step 5: Solve for x
x = 15,121,705,529.95/157,482.09 - Step 6: Final answer
x = 96,021.75
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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.