Finding the Fourth Proportional to 236,352.80, 354,529.20 and 161,703.20
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Solution
The fourth proportional to 236,352.80, 354,529.20 and 161,703.20 is: 242,554.80
Step by Step Solution
- Step 1: Write the proportion equation
236,352.80 : 354,529.20 = 161,703.20 : x - Step 2: Convert to fraction form
236,352.80/354,529.20 = 161,703.20/x - Step 3: Cross multiply
236,352.80x = 354,529.20 × 161,703.20 - Step 4: Simplify right side
236,352.80x = 57,328,506,133.44 - Step 5: Solve for x
x = 57,328,506,133.44/236,352.80 - Step 6: Final answer
x = 242,554.80
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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.