Finding the Fourth Proportional to 406,122.26, 609,203.55 and 106,603.70
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Solution
The fourth proportional to 406,122.26, 609,203.55 and 106,603.70 is: 159,910.84
Step by Step Solution
- Step 1: Write the proportion equation
406,122.26 : 609,203.55 = 106,603.70 : x - Step 2: Convert to fraction form
406,122.26/609,203.55 = 106,603.70/x - Step 3: Cross multiply
406,122.26x = 609,203.55 × 106,603.70 - Step 4: Simplify right side
406,122.26x = 64,943,352,483.14 - Step 5: Solve for x
x = 64,943,352,483.14/406,122.26 - Step 6: Final answer
x = 159,910.84
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1.5x scale
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.