Finding the Fourth Proportional to 351,494.64, 485,063.84 and 190,349.19
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Solution
The fourth proportional to 351,494.64, 485,063.84 and 190,349.19 is: 262,682.55
Step by Step Solution
- Step 1: Write the proportion equation
351,494.64 : 485,063.84 = 190,349.19 : x - Step 2: Convert to fraction form
351,494.64/485,063.84 = 190,349.19/x - Step 3: Cross multiply
351,494.64x = 485,063.84 × 190,349.19 - Step 4: Simplify right side
351,494.64x = 92,331,509,518.16 - Step 5: Solve for x
x = 92,331,509,518.16/351,494.64 - Step 6: Final answer
x = 262,682.55
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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.