Finding the Fourth Proportional to 190,252.58, 285,202.35 and 70,243.25
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Solution
The fourth proportional to 190,252.58, 285,202.35 and 70,243.25 is: 105,299.70
Step by Step Solution
- Step 1: Write the proportion equation
190,252.58 : 285,202.35 = 70,243.25 : x - Step 2: Convert to fraction form
190,252.58/285,202.35 = 70,243.25/x - Step 3: Cross multiply
190,252.58x = 285,202.35 × 70,243.25 - Step 4: Simplify right side
190,252.58x = 20,033,538,545.63 - Step 5: Solve for x
x = 20,033,538,545.63/190,252.58 - Step 6: Final answer
x = 105,299.70
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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.