Finding the Fourth Proportional to 147,305.36, 203,280.36 and 80,237.36
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Solution
The fourth proportional to 147,305.36, 203,280.36 and 80,237.36 is: 110,726.99
Step by Step Solution
- Step 1: Write the proportion equation
147,305.36 : 203,280.36 = 80,237.36 : x - Step 2: Convert to fraction form
147,305.36/203,280.36 = 80,237.36/x - Step 3: Cross multiply
147,305.36x = 203,280.36 × 80,237.36 - Step 4: Simplify right side
147,305.36x = 16,310,679,426.25 - Step 5: Solve for x
x = 16,310,679,426.25/147,305.36 - Step 6: Final answer
x = 110,726.99
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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.