Finding the Fourth Proportional to 415,312.76, 573,045.90 and 264,354.68
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Solution
The fourth proportional to 415,312.76, 573,045.90 and 264,354.68 is: 364,754.90
Step by Step Solution
- Step 1: Write the proportion equation
415,312.76 : 573,045.90 = 264,354.68 : x - Step 2: Convert to fraction form
415,312.76/573,045.90 = 264,354.68/x - Step 3: Cross multiply
415,312.76x = 573,045.90 × 264,354.68 - Step 4: Simplify right side
415,312.76x = 151,487,365,519.81 - Step 5: Solve for x
x = 151,487,365,519.81/415,312.76 - Step 6: Final answer
x = 364,754.90
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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.