Finding the Fourth Proportional to 190,885.44, 286,112.12 and 97,193.28
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Solution
The fourth proportional to 190,885.44, 286,112.12 and 97,193.28 is: 145,679.92
Step by Step Solution
- Step 1: Write the proportion equation
190,885.44 : 286,112.12 = 97,193.28 : x - Step 2: Convert to fraction form
190,885.44/286,112.12 = 97,193.28/x - Step 3: Cross multiply
190,885.44x = 286,112.12 × 97,193.28 - Step 4: Simplify right side
190,885.44x = 27,808,175,390.55 - Step 5: Solve for x
x = 27,808,175,390.55/190,885.44 - Step 6: Final answer
x = 145,679.92
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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.