Finding the Fourth Proportional to 283,639.61, 424,848.87 and 133,655.15
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Solution
The fourth proportional to 283,639.61, 424,848.87 and 133,655.15 is: 200,195.02
Step by Step Solution
- Step 1: Write the proportion equation
283,639.61 : 424,848.87 = 133,655.15 : x - Step 2: Convert to fraction form
283,639.61/424,848.87 = 133,655.15/x - Step 3: Cross multiply
283,639.61x = 424,848.87 × 133,655.15 - Step 4: Simplify right side
283,639.61x = 56,783,237,322.94 - Step 5: Solve for x
x = 56,783,237,322.94/283,639.61 - Step 6: Final answer
x = 200,195.02
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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.