Finding the Fourth Proportional to 314,432.64, 471,507.84 and 136,851.84
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Solution
The fourth proportional to 314,432.64, 471,507.84 and 136,851.84 is: 205,216.34
Step by Step Solution
- Step 1: Write the proportion equation
314,432.64 : 471,507.84 = 136,851.84 : x - Step 2: Convert to fraction form
314,432.64/471,507.84 = 136,851.84/x - Step 3: Cross multiply
314,432.64x = 471,507.84 × 136,851.84 - Step 4: Simplify right side
314,432.64x = 64,526,715,478.43 - Step 5: Solve for x
x = 64,526,715,478.43/314,432.64 - Step 6: Final answer
x = 205,216.34
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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.