Finding the Fourth Proportional to 187,359.30, 258,561.99 and 102,476.36
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Solution
The fourth proportional to 187,359.30, 258,561.99 and 102,476.36 is: 141,420.75
Step by Step Solution
- Step 1: Write the proportion equation
187,359.30 : 258,561.99 = 102,476.36 : x - Step 2: Convert to fraction form
187,359.30/258,561.99 = 102,476.36/x - Step 3: Cross multiply
187,359.30x = 258,561.99 × 102,476.36 - Step 4: Simplify right side
187,359.30x = 26,496,492,215.96 - Step 5: Solve for x
x = 26,496,492,215.96/187,359.30 - Step 6: Final answer
x = 141,420.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.