Finding the Fourth Proportional to 405,122.00, 607,712.56 and 138,880.26
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Solution
The fourth proportional to 405,122.00, 607,712.56 and 138,880.26 is: 208,330.53
Step by Step Solution
- Step 1: Write the proportion equation
405,122.00 : 607,712.56 = 138,880.26 : x - Step 2: Convert to fraction form
405,122.00/607,712.56 = 138,880.26/x - Step 3: Cross multiply
405,122.00x = 607,712.56 × 138,880.26 - Step 4: Simplify right side
405,122.00x = 84,399,277,990.87 - Step 5: Solve for x
x = 84,399,277,990.87/405,122.00 - Step 6: Final answer
x = 208,330.53
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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.