Finding the Fourth Proportional to 193,363.84, 266,846.70 and 108,487.18
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Solution
The fourth proportional to 193,363.84, 266,846.70 and 108,487.18 is: 149,714.89
Step by Step Solution
- Step 1: Write the proportion equation
193,363.84 : 266,846.70 = 108,487.18 : x - Step 2: Convert to fraction form
193,363.84/266,846.70 = 108,487.18/x - Step 3: Cross multiply
193,363.84x = 266,846.70 × 108,487.18 - Step 4: Simplify right side
193,363.84x = 28,949,445,975.31 - Step 5: Solve for x
x = 28,949,445,975.31/193,363.84 - Step 6: Final answer
x = 149,714.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.