Finding the Fourth Proportional to 351,464.14, 485,019.64 and 190,319.18
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Solution
The fourth proportional to 351,464.14, 485,019.64 and 190,319.18 is: 262,639.99
Step by Step Solution
- Step 1: Write the proportion equation
351,464.14 : 485,019.64 = 190,319.18 : x - Step 2: Convert to fraction form
351,464.14/485,019.64 = 190,319.18/x - Step 3: Cross multiply
351,464.14x = 485,019.64 × 190,319.18 - Step 4: Simplify right side
351,464.14x = 92,308,537,267.80 - Step 5: Solve for x
x = 92,308,537,267.80/351,464.14 - Step 6: Final answer
x = 262,639.99
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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.