Finding the Fourth Proportional to 338,923.44, 507,765.51 and 158,678.19
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Solution
The fourth proportional to 338,923.44, 507,765.51 and 158,678.19 is: 237,727.18
Step by Step Solution
- Step 1: Write the proportion equation
338,923.44 : 507,765.51 = 158,678.19 : x - Step 2: Convert to fraction form
338,923.44/507,765.51 = 158,678.19/x - Step 3: Cross multiply
338,923.44x = 507,765.51 × 158,678.19 - Step 4: Simplify right side
338,923.44x = 80,571,312,071.23 - Step 5: Solve for x
x = 80,571,312,071.23/338,923.44 - Step 6: Final answer
x = 237,727.18
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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.