Finding the Fourth Proportional to 135,117.68, 202,567.20 and 56,291.12
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Solution
The fourth proportional to 135,117.68, 202,567.20 and 56,291.12 is: 84,391.14
Step by Step Solution
- Step 1: Write the proportion equation
135,117.68 : 202,567.20 = 56,291.12 : x - Step 2: Convert to fraction form
135,117.68/202,567.20 = 56,291.12/x - Step 3: Cross multiply
135,117.68x = 202,567.20 × 56,291.12 - Step 4: Simplify right side
135,117.68x = 11,402,734,563.26 - Step 5: Solve for x
x = 11,402,734,563.26/135,117.68 - Step 6: Final answer
x = 84,391.14
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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.