Finding the Fourth Proportional to 135,244.80, 202,757.28 and 56,417.76
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Solution
The fourth proportional to 135,244.80, 202,757.28 and 56,417.76 is: 84,580.79
Step by Step Solution
- Step 1: Write the proportion equation
135,244.80 : 202,757.28 = 56,417.76 : x - Step 2: Convert to fraction form
135,244.80/202,757.28 = 56,417.76/x - Step 3: Cross multiply
135,244.80x = 202,757.28 × 56,417.76 - Step 4: Simplify right side
135,244.80x = 11,439,111,561.29 - Step 5: Solve for x
x = 11,439,111,561.29/135,244.80 - Step 6: Final answer
x = 84,580.79
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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.