Finding the Fourth Proportional to 415,193.58, 572,968.90 and 233,907.68
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Solution
The fourth proportional to 415,193.58, 572,968.90 and 233,907.68 is: 322,793.59
Step by Step Solution
- Step 1: Write the proportion equation
415,193.58 : 572,968.90 = 233,907.68 : x - Step 2: Convert to fraction form
415,193.58/572,968.90 = 233,907.68/x - Step 3: Cross multiply
415,193.58x = 572,968.90 × 233,907.68 - Step 4: Simplify right side
415,193.58x = 134,021,826,111.15 - Step 5: Solve for x
x = 134,021,826,111.15/415,193.58 - Step 6: Final answer
x = 322,793.59
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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.