Finding the Fourth Proportional to 324,370.84, 447,842.38 and 290,320.28
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Solution
The fourth proportional to 324,370.84, 447,842.38 and 290,320.28 is: 400,830.50
Step by Step Solution
- Step 1: Write the proportion equation
324,370.84 : 447,842.38 = 290,320.28 : x - Step 2: Convert to fraction form
324,370.84/447,842.38 = 290,320.28/x - Step 3: Cross multiply
324,370.84x = 447,842.38 × 290,320.28 - Step 4: Simplify right side
324,370.84x = 130,017,725,157.47 - Step 5: Solve for x
x = 130,017,725,157.47/324,370.84 - Step 6: Final answer
x = 400,830.50
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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.