Finding the Fourth Proportional to 217,052.60, 299,548.44 and 131,032.74
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Solution
The fourth proportional to 217,052.60, 299,548.44 and 131,032.74 is: 180,834.75
Step by Step Solution
- Step 1: Write the proportion equation
217,052.60 : 299,548.44 = 131,032.74 : x - Step 2: Convert to fraction form
217,052.60/299,548.44 = 131,032.74/x - Step 3: Cross multiply
217,052.60x = 299,548.44 × 131,032.74 - Step 4: Simplify right side
217,052.60x = 39,250,652,855.93 - Step 5: Solve for x
x = 39,250,652,855.93/217,052.60 - Step 6: Final answer
x = 180,834.75
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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.