Finding the Fourth Proportional to 187,225.02, 258,505.84 and 115,703.10
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Solution
The fourth proportional to 187,225.02, 258,505.84 and 115,703.10 is: 159,753.90
Step by Step Solution
- Step 1: Write the proportion equation
187,225.02 : 258,505.84 = 115,703.10 : x - Step 2: Convert to fraction form
187,225.02/258,505.84 = 115,703.10/x - Step 3: Cross multiply
187,225.02x = 258,505.84 × 115,703.10 - Step 4: Simplify right side
187,225.02x = 29,909,927,056.10 - Step 5: Solve for x
x = 29,909,927,056.10/187,225.02 - Step 6: Final answer
x = 159,753.90
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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.