Finding the Fourth Proportional to 157,536.96, 217,325.97 and 106,567.53
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Solution
The fourth proportional to 157,536.96, 217,325.97 and 106,567.53 is: 147,012.43
Step by Step Solution
- Step 1: Write the proportion equation
157,536.96 : 217,325.97 = 106,567.53 : x - Step 2: Convert to fraction form
157,536.96/217,325.97 = 106,567.53/x - Step 3: Cross multiply
157,536.96x = 217,325.97 × 106,567.53 - Step 4: Simplify right side
157,536.96x = 23,159,891,827.75 - Step 5: Solve for x
x = 23,159,891,827.75/157,536.96 - Step 6: Final answer
x = 147,012.43
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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.