Finding the Fourth Proportional to 187,253.18, 280,852.12 and 68,896.99
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Solution
The fourth proportional to 187,253.18, 280,852.12 and 68,896.99 is: 103,335.31
Step by Step Solution
- Step 1: Write the proportion equation
187,253.18 : 280,852.12 = 68,896.99 : x - Step 2: Convert to fraction form
187,253.18/280,852.12 = 68,896.99/x - Step 3: Cross multiply
187,253.18x = 280,852.12 × 68,896.99 - Step 4: Simplify right side
187,253.18x = 19,349,865,703.12 - Step 5: Solve for x
x = 19,349,865,703.12/187,253.18 - Step 6: Final answer
x = 103,335.31
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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.