Finding the Fourth Proportional to 161,473.20, 242,132.04 and 56,289.84
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Solution
The fourth proportional to 161,473.20, 242,132.04 and 56,289.84 is: 84,407.65
Step by Step Solution
- Step 1: Write the proportion equation
161,473.20 : 242,132.04 = 56,289.84 : x - Step 2: Convert to fraction form
161,473.20/242,132.04 = 56,289.84/x - Step 3: Cross multiply
161,473.20x = 242,132.04 × 56,289.84 - Step 4: Simplify right side
161,473.20x = 13,629,573,790.47 - Step 5: Solve for x
x = 13,629,573,790.47/161,473.20 - Step 6: Final answer
x = 84,407.65
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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.