Finding the Fourth Proportional to 313,703.84, 432,914.04 and 170,463.92
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Solution
The fourth proportional to 313,703.84, 432,914.04 and 170,463.92 is: 235,241.70
Step by Step Solution
- Step 1: Write the proportion equation
313,703.84 : 432,914.04 = 170,463.92 : x - Step 2: Convert to fraction form
313,703.84/432,914.04 = 170,463.92/x - Step 3: Cross multiply
313,703.84x = 432,914.04 × 170,463.92 - Step 4: Simplify right side
313,703.84x = 73,796,224,281.44 - Step 5: Solve for x
x = 73,796,224,281.44/313,703.84 - Step 6: Final answer
x = 235,241.70
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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.