Finding the Fourth Proportional to 135,122.40, 202,421.12 and 65,050.88
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Solution
The fourth proportional to 135,122.40, 202,421.12 and 65,050.88 is: 97,449.96
Step by Step Solution
- Step 1: Write the proportion equation
135,122.40 : 202,421.12 = 65,050.88 : x - Step 2: Convert to fraction form
135,122.40/202,421.12 = 65,050.88/x - Step 3: Cross multiply
135,122.40x = 202,421.12 × 65,050.88 - Step 4: Simplify right side
135,122.40x = 13,167,671,986.59 - Step 5: Solve for x
x = 13,167,671,986.59/135,122.40 - Step 6: Final answer
x = 97,449.96
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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.