Finding the Fourth Proportional to 356,808.14, 492,401.99 and 195,653.58
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Solution
The fourth proportional to 356,808.14, 492,401.99 and 195,653.58 is: 270,005.64
Step by Step Solution
- Step 1: Write the proportion equation
356,808.14 : 492,401.99 = 195,653.58 : x - Step 2: Convert to fraction form
356,808.14/492,401.99 = 195,653.58/x - Step 3: Cross multiply
356,808.14x = 492,401.99 × 195,653.58 - Step 4: Simplify right side
356,808.14x = 96,340,209,684.70 - Step 5: Solve for x
x = 96,340,209,684.70/356,808.14 - Step 6: Final answer
x = 270,005.64
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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.