Finding the Fourth Proportional to 259,412.10, 357,927.66 and 157,435.26
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Solution
The fourth proportional to 259,412.10, 357,927.66 and 157,435.26 is: 217,223.62
Step by Step Solution
- Step 1: Write the proportion equation
259,412.10 : 357,927.66 = 157,435.26 : x - Step 2: Convert to fraction form
259,412.10/357,927.66 = 157,435.26/x - Step 3: Cross multiply
259,412.10x = 357,927.66 × 157,435.26 - Step 4: Simplify right side
259,412.10x = 56,350,434,213.29 - Step 5: Solve for x
x = 56,350,434,213.29/259,412.10 - Step 6: Final answer
x = 217,223.62
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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.