Finding the Fourth Proportional to 135,450.68, 187,014.30 and 84,483.32
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Solution
The fourth proportional to 135,450.68, 187,014.30 and 84,483.32 is: 116,644.59
Step by Step Solution
- Step 1: Write the proportion equation
135,450.68 : 187,014.30 = 84,483.32 : x - Step 2: Convert to fraction form
135,450.68/187,014.30 = 84,483.32/x - Step 3: Cross multiply
135,450.68x = 187,014.30 × 84,483.32 - Step 4: Simplify right side
135,450.68x = 15,799,588,951.48 - Step 5: Solve for x
x = 15,799,588,951.48/135,450.68 - Step 6: Final answer
x = 116,644.59
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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.