Finding the Fourth Proportional to 296,400.48, 444,600.99 and 138,739.65
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Solution
The fourth proportional to 296,400.48, 444,600.99 and 138,739.65 is: 208,109.60
Step by Step Solution
- Step 1: Write the proportion equation
296,400.48 : 444,600.99 = 138,739.65 : x - Step 2: Convert to fraction form
296,400.48/444,600.99 = 138,739.65/x - Step 3: Cross multiply
296,400.48x = 444,600.99 × 138,739.65 - Step 4: Simplify right side
296,400.48x = 61,683,785,742.25 - Step 5: Solve for x
x = 61,683,785,742.25/296,400.48 - Step 6: Final answer
x = 208,109.60
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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.