Finding the Fourth Proportional to 357,107.99, 492,807.65 and 195,965.78
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Solution
The fourth proportional to 357,107.99, 492,807.65 and 195,965.78 is: 270,432.02
Step by Step Solution
- Step 1: Write the proportion equation
357,107.99 : 492,807.65 = 195,965.78 : x - Step 2: Convert to fraction form
357,107.99/492,807.65 = 195,965.78/x - Step 3: Cross multiply
357,107.99x = 492,807.65 × 195,965.78 - Step 4: Simplify right side
357,107.99x = 96,573,432,078.35 - Step 5: Solve for x
x = 96,573,432,078.35/357,107.99 - Step 6: Final answer
x = 270,432.02
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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.