Finding the Fourth Proportional to 295,692.78, 408,056.21 and 159,726.74
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Solution
The fourth proportional to 295,692.78, 408,056.21 and 159,726.74 is: 220,422.99
Step by Step Solution
- Step 1: Write the proportion equation
295,692.78 : 408,056.21 = 159,726.74 : x - Step 2: Convert to fraction form
295,692.78/408,056.21 = 159,726.74/x - Step 3: Cross multiply
295,692.78x = 408,056.21 × 159,726.74 - Step 4: Simplify right side
295,692.78x = 65,177,488,160.06 - Step 5: Solve for x
x = 65,177,488,160.06/295,692.78 - Step 6: Final answer
x = 220,422.99
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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.