Finding the Fourth Proportional to 541,357.28, 747,259.88 and 312,006.05
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Solution
The fourth proportional to 541,357.28, 747,259.88 and 312,006.05 is: 430,676.02
Step by Step Solution
- Step 1: Write the proportion equation
541,357.28 : 747,259.88 = 312,006.05 : x - Step 2: Convert to fraction form
541,357.28/747,259.88 = 312,006.05/x - Step 3: Cross multiply
541,357.28x = 747,259.88 × 312,006.05 - Step 4: Simplify right side
541,357.28x = 233,149,598,185.94 - Step 5: Solve for x
x = 233,149,598,185.94/541,357.28 - Step 6: Final answer
x = 430,676.02
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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.