Finding the Fourth Proportional to 97,242.64, 145,865.12 and 27,117.68
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Solution
The fourth proportional to 97,242.64, 145,865.12 and 27,117.68 is: 40,676.84
Step by Step Solution
- Step 1: Write the proportion equation
97,242.64 : 145,865.12 = 27,117.68 : x - Step 2: Convert to fraction form
97,242.64/145,865.12 = 27,117.68/x - Step 3: Cross multiply
97,242.64x = 145,865.12 × 27,117.68 - Step 4: Simplify right side
97,242.64x = 3,955,523,647.32 - Step 5: Solve for x
x = 3,955,523,647.32/97,242.64 - Step 6: Final answer
x = 40,676.84
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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.