Finding the Fourth Proportional to 415,821.31, 573,830.62 and 234,534.75
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Solution
The fourth proportional to 415,821.31, 573,830.62 and 234,534.75 is: 323,656.38
Step by Step Solution
- Step 1: Write the proportion equation
415,821.31 : 573,830.62 = 234,534.75 : x - Step 2: Convert to fraction form
415,821.31/573,830.62 = 234,534.75/x - Step 3: Cross multiply
415,821.31x = 573,830.62 × 234,534.75 - Step 4: Simplify right side
415,821.31x = 134,583,221,004.05 - Step 5: Solve for x
x = 134,583,221,004.05/415,821.31 - Step 6: Final answer
x = 323,656.38
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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.