Finding the Fourth Proportional to 283,436.09, 425,214.11 and 93,885.72
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Solution
The fourth proportional to 283,436.09, 425,214.11 and 93,885.72 is: 140,848.45
Step by Step Solution
- Step 1: Write the proportion equation
283,436.09 : 425,214.11 = 93,885.72 : x - Step 2: Convert to fraction form
283,436.09/425,214.11 = 93,885.72/x - Step 3: Cross multiply
283,436.09x = 425,214.11 × 93,885.72 - Step 4: Simplify right side
283,436.09x = 39,921,532,402.08 - Step 5: Solve for x
x = 39,921,532,402.08/283,436.09 - Step 6: Final answer
x = 140,848.45
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1.5x scale
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.