Finding the Fourth Proportional to 423,270.01, 634,924.46 and 107,729.65
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Solution
The fourth proportional to 423,270.01, 634,924.46 and 107,729.65 is: 161,599.42
Step by Step Solution
- Step 1: Write the proportion equation
423,270.01 : 634,924.46 = 107,729.65 : x - Step 2: Convert to fraction form
423,270.01/634,924.46 = 107,729.65/x - Step 3: Cross multiply
423,270.01x = 634,924.46 × 107,729.65 - Step 4: Simplify right side
423,270.01x = 68,400,189,852.24 - Step 5: Solve for x
x = 68,400,189,852.24/423,270.01 - Step 6: Final answer
x = 161,599.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.