Finding the Fourth Proportional to 239,534.12, 358,222.68 and 213,035.88
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Solution
The fourth proportional to 239,534.12, 358,222.68 and 213,035.88 is: 318,594.63
Step by Step Solution
- Step 1: Write the proportion equation
239,534.12 : 358,222.68 = 213,035.88 : x - Step 2: Convert to fraction form
239,534.12/358,222.68 = 213,035.88/x - Step 3: Cross multiply
239,534.12x = 358,222.68 × 213,035.88 - Step 4: Simplify right side
239,534.12x = 76,314,283,869.76 - Step 5: Solve for x
x = 76,314,283,869.76/239,534.12 - Step 6: Final answer
x = 318,594.63
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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.