Finding the Fourth Proportional to 406,794.74, 561,438.87 and 259,683.14
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Solution
The fourth proportional to 406,794.74, 561,438.87 and 259,683.14 is: 358,402.40
Step by Step Solution
- Step 1: Write the proportion equation
406,794.74 : 561,438.87 = 259,683.14 : x - Step 2: Convert to fraction form
406,794.74/561,438.87 = 259,683.14/x - Step 3: Cross multiply
406,794.74x = 561,438.87 × 259,683.14 - Step 4: Simplify right side
406,794.74x = 145,796,210,083.25 - Step 5: Solve for x
x = 145,796,210,083.25/406,794.74 - Step 6: Final answer
x = 358,402.40
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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.