Finding the Fourth Proportional to 149,867.68, 206,909.05 and 97,529.53
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Solution
The fourth proportional to 149,867.68, 206,909.05 and 97,529.53 is: 134,650.39
Step by Step Solution
- Step 1: Write the proportion equation
149,867.68 : 206,909.05 = 97,529.53 : x - Step 2: Convert to fraction form
149,867.68/206,909.05 = 97,529.53/x - Step 3: Cross multiply
149,867.68x = 206,909.05 × 97,529.53 - Step 4: Simplify right side
149,867.68x = 20,179,742,003.89 - Step 5: Solve for x
x = 20,179,742,003.89/149,867.68 - Step 6: Final answer
x = 134,650.39
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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.