Finding the Fourth Proportional to 230,018.67, 344,911.36 and 105,252.75
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Solution
The fourth proportional to 230,018.67, 344,911.36 and 105,252.75 is: 157,825.75
Step by Step Solution
- Step 1: Write the proportion equation
230,018.67 : 344,911.36 = 105,252.75 : x - Step 2: Convert to fraction form
230,018.67/344,911.36 = 105,252.75/x - Step 3: Cross multiply
230,018.67x = 344,911.36 × 105,252.75 - Step 4: Simplify right side
230,018.67x = 36,302,869,146.24 - Step 5: Solve for x
x = 36,302,869,146.24/230,018.67 - Step 6: Final answer
x = 157,825.75
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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.