Finding the Fourth Proportional to 187,148.76, 258,291.63 and 119,144.00
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Solution
The fourth proportional to 187,148.76, 258,291.63 and 119,144.00 is: 164,435.48
Step by Step Solution
- Step 1: Write the proportion equation
187,148.76 : 258,291.63 = 119,144.00 : x - Step 2: Convert to fraction form
187,148.76/258,291.63 = 119,144.00/x - Step 3: Cross multiply
187,148.76x = 258,291.63 × 119,144.00 - Step 4: Simplify right side
187,148.76x = 30,773,896,673.26 - Step 5: Solve for x
x = 30,773,896,673.26/187,148.76 - Step 6: Final answer
x = 164,435.48
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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.