Finding the Fourth Proportional to 309,226.68, 463,402.62 and 131,554.80
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Solution
The fourth proportional to 309,226.68, 463,402.62 and 131,554.80 is: 197,146.12
Step by Step Solution
- Step 1: Write the proportion equation
309,226.68 : 463,402.62 = 131,554.80 : x - Step 2: Convert to fraction form
309,226.68/463,402.62 = 131,554.80/x - Step 3: Cross multiply
309,226.68x = 463,402.62 × 131,554.80 - Step 4: Simplify right side
309,226.68x = 60,962,838,993.58 - Step 5: Solve for x
x = 60,962,838,993.58/309,226.68 - Step 6: Final answer
x = 197,146.12
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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.