Finding the Fourth Proportional to 190,824.75, 286,368.35 and 66,165.75
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Solution
The fourth proportional to 190,824.75, 286,368.35 and 66,165.75 is: 99,294.12
Step by Step Solution
- Step 1: Write the proportion equation
190,824.75 : 286,368.35 = 66,165.75 : x - Step 2: Convert to fraction form
190,824.75/286,368.35 = 66,165.75/x - Step 3: Cross multiply
190,824.75x = 286,368.35 × 66,165.75 - Step 4: Simplify right side
190,824.75x = 18,947,776,323.18 - Step 5: Solve for x
x = 18,947,776,323.18/190,824.75 - Step 6: Final answer
x = 99,294.12
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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.