Finding the Fourth Proportional to 178,564.05, 246,421.44 and 97,999.07
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Solution
The fourth proportional to 178,564.05, 246,421.44 and 97,999.07 is: 135,240.38
Step by Step Solution
- Step 1: Write the proportion equation
178,564.05 : 246,421.44 = 97,999.07 : x - Step 2: Convert to fraction form
178,564.05/246,421.44 = 97,999.07/x - Step 3: Cross multiply
178,564.05x = 246,421.44 × 97,999.07 - Step 4: Simplify right side
178,564.05x = 24,149,070,715.95 - Step 5: Solve for x
x = 24,149,070,715.95/178,564.05 - Step 6: Final answer
x = 135,240.38
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1.5x scale
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.