Finding the Fourth Proportional to 314,221.68, 471,406.32 and 103,859.60
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Solution
The fourth proportional to 314,221.68, 471,406.32 and 103,859.60 is: 155,813.79
Step by Step Solution
- Step 1: Write the proportion equation
314,221.68 : 471,406.32 = 103,859.60 : x - Step 2: Convert to fraction form
314,221.68/471,406.32 = 103,859.60/x - Step 3: Cross multiply
314,221.68x = 471,406.32 × 103,859.60 - Step 4: Simplify right side
314,221.68x = 48,960,069,475.64 - Step 5: Solve for x
x = 48,960,069,475.64/314,221.68 - Step 6: Final answer
x = 155,813.79
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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.