Finding the Fourth Proportional to 161,558.36, 242,337.63 and 72,708.08
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Solution
The fourth proportional to 161,558.36, 242,337.63 and 72,708.08 is: 109,062.16
Step by Step Solution
- Step 1: Write the proportion equation
161,558.36 : 242,337.63 = 72,708.08 : x - Step 2: Convert to fraction form
161,558.36/242,337.63 = 72,708.08/x - Step 3: Cross multiply
161,558.36x = 242,337.63 × 72,708.08 - Step 4: Simplify right side
161,558.36x = 17,619,903,789.05 - Step 5: Solve for x
x = 17,619,903,789.05/161,558.36 - Step 6: Final answer
x = 109,062.16
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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.