Finding the Fourth Proportional to 161,536.23, 242,415.06 and 56,355.20
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Solution
The fourth proportional to 161,536.23, 242,415.06 and 56,355.20 is: 84,571.42
Step by Step Solution
- Step 1: Write the proportion equation
161,536.23 : 242,415.06 = 56,355.20 : x - Step 2: Convert to fraction form
161,536.23/242,415.06 = 56,355.20/x - Step 3: Cross multiply
161,536.23x = 242,415.06 × 56,355.20 - Step 4: Simplify right side
161,536.23x = 13,661,347,977.24 - Step 5: Solve for x
x = 13,661,347,977.24/161,536.23 - Step 6: Final answer
x = 84,571.42
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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.