Finding the Fourth Proportional to 231,497.70, 346,987.35 and 131,705.70
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Solution
The fourth proportional to 231,497.70, 346,987.35 and 131,705.70 is: 197,411.08
Step by Step Solution
- Step 1: Write the proportion equation
231,497.70 : 346,987.35 = 131,705.70 : x - Step 2: Convert to fraction form
231,497.70/346,987.35 = 131,705.70/x - Step 3: Cross multiply
231,497.70x = 346,987.35 × 131,705.70 - Step 4: Simplify right side
231,497.70x = 45,700,211,822.90 - Step 5: Solve for x
x = 45,700,211,822.90/231,497.70 - Step 6: Final answer
x = 197,411.08
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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.