Finding the Fourth Proportional to 234,988.42, 324,289.50 and 139,495.48
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Solution
The fourth proportional to 234,988.42, 324,289.50 and 139,495.48 is: 192,507.02
Step by Step Solution
- Step 1: Write the proportion equation
234,988.42 : 324,289.50 = 139,495.48 : x - Step 2: Convert to fraction form
234,988.42/324,289.50 = 139,495.48/x - Step 3: Cross multiply
234,988.42x = 324,289.50 × 139,495.48 - Step 4: Simplify right side
234,988.42x = 45,236,919,461.46 - Step 5: Solve for x
x = 45,236,919,461.46/234,988.42 - Step 6: Final answer
x = 192,507.02
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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.