Finding the Fourth Proportional to 314,186.31, 471,352.37 and 103,811.49
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Solution
The fourth proportional to 314,186.31, 471,352.37 and 103,811.49 is: 155,741.32
Step by Step Solution
- Step 1: Write the proportion equation
314,186.31 : 471,352.37 = 103,811.49 : x - Step 2: Convert to fraction form
314,186.31/471,352.37 = 103,811.49/x - Step 3: Cross multiply
314,186.31x = 471,352.37 × 103,811.49 - Step 4: Simplify right side
314,186.31x = 48,931,791,844.73 - Step 5: Solve for x
x = 48,931,791,844.73/314,186.31 - Step 6: Final answer
x = 155,741.32
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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.