Finding the Fourth Proportional to 187,555.12, 258,816.36 and 102,656.08
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Solution
The fourth proportional to 187,555.12, 258,816.36 and 102,656.08 is: 141,660.08
Step by Step Solution
- Step 1: Write the proportion equation
187,555.12 : 258,816.36 = 102,656.08 : x - Step 2: Convert to fraction form
187,555.12/258,816.36 = 102,656.08/x - Step 3: Cross multiply
187,555.12x = 258,816.36 × 102,656.08 - Step 4: Simplify right side
187,555.12x = 26,569,072,957.47 - Step 5: Solve for x
x = 26,569,072,957.47/187,555.12 - Step 6: Final answer
x = 141,660.08
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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.