Finding the Fourth Proportional to 560,029.96, 840,043.36 and 139,305.88
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Solution
The fourth proportional to 560,029.96, 840,043.36 and 139,305.88 is: 208,958.43
Step by Step Solution
- Step 1: Write the proportion equation
560,029.96 : 840,043.36 = 139,305.88 : x - Step 2: Convert to fraction form
560,029.96/840,043.36 = 139,305.88/x - Step 3: Cross multiply
560,029.96x = 840,043.36 × 139,305.88 - Step 4: Simplify right side
560,029.96x = 117,022,979,502.96 - Step 5: Solve for x
x = 117,022,979,502.96/560,029.96 - Step 6: Final answer
x = 208,958.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.