Finding the Fourth Proportional to 357,109.19, 492,818.21 and 195,962.83
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Solution
The fourth proportional to 357,109.19, 492,818.21 and 195,962.83 is: 270,432.84
Step by Step Solution
- Step 1: Write the proportion equation
357,109.19 : 492,818.21 = 195,962.83 : x - Step 2: Convert to fraction form
357,109.19/492,818.21 = 195,962.83/x - Step 3: Cross multiply
357,109.19x = 492,818.21 × 195,962.83 - Step 4: Simplify right side
357,109.19x = 96,574,051,107.13 - Step 5: Solve for x
x = 96,574,051,107.13/357,109.19 - Step 6: Final answer
x = 270,432.84
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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.