Finding the Fourth Proportional to 283,778.84, 425,655.95 and 70,542.23
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Solution
The fourth proportional to 283,778.84, 425,655.95 and 70,542.23 is: 105,810.28
Step by Step Solution
- Step 1: Write the proportion equation
283,778.84 : 425,655.95 = 70,542.23 : x - Step 2: Convert to fraction form
283,778.84/425,655.95 = 70,542.23/x - Step 3: Cross multiply
283,778.84x = 425,655.95 × 70,542.23 - Step 4: Simplify right side
283,778.84x = 30,026,717,444.78 - Step 5: Solve for x
x = 30,026,717,444.78/283,778.84 - Step 6: Final answer
x = 105,810.28
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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.