Finding the Fourth Proportional to 354,696.84, 490,014.75 and 232,479.23
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Solution
The fourth proportional to 354,696.84, 490,014.75 and 232,479.23 is: 321,170.75
Step by Step Solution
- Step 1: Write the proportion equation
354,696.84 : 490,014.75 = 232,479.23 : x - Step 2: Convert to fraction form
354,696.84/490,014.75 = 232,479.23/x - Step 3: Cross multiply
354,696.84x = 490,014.75 × 232,479.23 - Step 4: Simplify right side
354,696.84x = 113,918,249,318.57 - Step 5: Solve for x
x = 113,918,249,318.57/354,696.84 - Step 6: Final answer
x = 321,170.75
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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.