Finding the Fourth Proportional to 134,635.60, 201,953.40 and 39,869.20
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Solution
The fourth proportional to 134,635.60, 201,953.40 and 39,869.20 is: 59,803.80
Step by Step Solution
- Step 1: Write the proportion equation
134,635.60 : 201,953.40 = 39,869.20 : x - Step 2: Convert to fraction form
134,635.60/201,953.40 = 39,869.20/x - Step 3: Cross multiply
134,635.60x = 201,953.40 × 39,869.20 - Step 4: Simplify right side
134,635.60x = 8,051,720,495.28 - Step 5: Solve for x
x = 8,051,720,495.28/134,635.60 - Step 6: Final answer
x = 59,803.80
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1.5x scale
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.