Finding the Fourth Proportional to 533,295.44, 735,939.84 and 318,395.12
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Solution
The fourth proportional to 533,295.44, 735,939.84 and 318,395.12 is: 439,380.57
Step by Step Solution
- Step 1: Write the proportion equation
533,295.44 : 735,939.84 = 318,395.12 : x - Step 2: Convert to fraction form
533,295.44/735,939.84 = 318,395.12/x - Step 3: Cross multiply
533,295.44x = 735,939.84 × 318,395.12 - Step 4: Simplify right side
533,295.44x = 234,319,653,669.58 - Step 5: Solve for x
x = 234,319,653,669.58/533,295.44 - Step 6: Final answer
x = 439,380.57
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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.