Finding the Fourth Proportional to 134,750.40, 202,240.80 and 59,985.60
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Solution
The fourth proportional to 134,750.40, 202,240.80 and 59,985.60 is: 90,029.68
Step by Step Solution
- Step 1: Write the proportion equation
134,750.40 : 202,240.80 = 59,985.60 : x - Step 2: Convert to fraction form
134,750.40/202,240.80 = 59,985.60/x - Step 3: Cross multiply
134,750.40x = 202,240.80 × 59,985.60 - Step 4: Simplify right side
134,750.40x = 12,131,535,732.48 - Step 5: Solve for x
x = 12,131,535,732.48/134,750.40 - Step 6: Final answer
x = 90,029.68
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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.