Finding the Fourth Proportional to 351,631.68, 485,250.53 and 190,486.55
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Solution
The fourth proportional to 351,631.68, 485,250.53 and 190,486.55 is: 262,870.79
Step by Step Solution
- Step 1: Write the proportion equation
351,631.68 : 485,250.53 = 190,486.55 : x - Step 2: Convert to fraction form
351,631.68/485,250.53 = 190,486.55/x - Step 3: Cross multiply
351,631.68x = 485,250.53 × 190,486.55 - Step 4: Simplify right side
351,631.68x = 92,433,695,966.69 - Step 5: Solve for x
x = 92,433,695,966.69/351,631.68 - Step 6: Final answer
x = 262,870.79
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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.