Finding the Fourth Proportional to 416,998.74, 575,487.50 and 235,712.15
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Solution
The fourth proportional to 416,998.74, 575,487.50 and 235,712.15 is: 325,299.29
Step by Step Solution
- Step 1: Write the proportion equation
416,998.74 : 575,487.50 = 235,712.15 : x - Step 2: Convert to fraction form
416,998.74/575,487.50 = 235,712.15/x - Step 3: Cross multiply
416,998.74x = 575,487.50 × 235,712.15 - Step 4: Simplify right side
416,998.74x = 135,649,395,923.13 - Step 5: Solve for x
x = 135,649,395,923.13/416,998.74 - Step 6: Final answer
x = 325,299.29
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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.