Finding the Fourth Proportional to 155,506.26, 214,582.05 and 87,526.74
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Solution
The fourth proportional to 155,506.26, 214,582.05 and 87,526.74 is: 120,777.56
Step by Step Solution
- Step 1: Write the proportion equation
155,506.26 : 214,582.05 = 87,526.74 : x - Step 2: Convert to fraction form
155,506.26/214,582.05 = 87,526.74/x - Step 3: Cross multiply
155,506.26x = 214,582.05 × 87,526.74 - Step 4: Simplify right side
155,506.26x = 18,781,667,299.02 - Step 5: Solve for x
x = 18,781,667,299.02/155,506.26 - Step 6: Final answer
x = 120,777.56
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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.