Finding the Fourth Proportional to 210,267.14, 315,289.88 and 91,800.09
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Solution
The fourth proportional to 210,267.14, 315,289.88 and 91,800.09 is: 137,651.74
Step by Step Solution
- Step 1: Write the proportion equation
210,267.14 : 315,289.88 = 91,800.09 : x - Step 2: Convert to fraction form
210,267.14/315,289.88 = 91,800.09/x - Step 3: Cross multiply
210,267.14x = 315,289.88 × 91,800.09 - Step 4: Simplify right side
210,267.14x = 28,943,639,318.34 - Step 5: Solve for x
x = 28,943,639,318.34/210,267.14 - Step 6: Final answer
x = 137,651.74
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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.