Finding the Fourth Proportional to 415,819.71, 573,830.42 and 234,531.09
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Solution
The fourth proportional to 415,819.71, 573,830.42 and 234,531.09 is: 323,652.46
Step by Step Solution
- Step 1: Write the proportion equation
415,819.71 : 573,830.42 = 234,531.09 : x - Step 2: Convert to fraction form
415,819.71/573,830.42 = 234,531.09/x - Step 3: Cross multiply
415,819.71x = 573,830.42 × 234,531.09 - Step 4: Simplify right side
415,819.71x = 134,581,072,705.10 - Step 5: Solve for x
x = 134,581,072,705.10/415,819.71 - Step 6: Final answer
x = 323,652.46
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1.5x scale
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.