Finding the Fourth Proportional to 659,430.60, 989,048.70 and 186,163.80
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Solution
The fourth proportional to 659,430.60, 989,048.70 and 186,163.80 is: 279,218.26
Step by Step Solution
- Step 1: Write the proportion equation
659,430.60 : 989,048.70 = 186,163.80 : x - Step 2: Convert to fraction form
659,430.60/989,048.70 = 186,163.80/x - Step 3: Cross multiply
659,430.60x = 989,048.70 × 186,163.80 - Step 4: Simplify right side
659,430.60x = 184,125,064,377.06 - Step 5: Solve for x
x = 184,125,064,377.06/659,430.60 - Step 6: Final answer
x = 279,218.26
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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.