Finding the Fourth Proportional to 135,220.48, 202,769.14 and 72,024.52
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Solution
The fourth proportional to 135,220.48, 202,769.14 and 72,024.52 is: 108,003.98
Step by Step Solution
- Step 1: Write the proportion equation
135,220.48 : 202,769.14 = 72,024.52 : x - Step 2: Convert to fraction form
135,220.48/202,769.14 = 72,024.52/x - Step 3: Cross multiply
135,220.48x = 202,769.14 × 72,024.52 - Step 4: Simplify right side
135,220.48x = 14,604,349,979.31 - Step 5: Solve for x
x = 14,604,349,979.31/135,220.48 - Step 6: Final answer
x = 108,003.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.