Finding the Fourth Proportional to 236,790.20, 355,209.06 and 68,314.70
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Solution
The fourth proportional to 236,790.20, 355,209.06 and 68,314.70 is: 102,478.90
Step by Step Solution
- Step 1: Write the proportion equation
236,790.20 : 355,209.06 = 68,314.70 : x - Step 2: Convert to fraction form
236,790.20/355,209.06 = 68,314.70/x - Step 3: Cross multiply
236,790.20x = 355,209.06 × 68,314.70 - Step 4: Simplify right side
236,790.20x = 24,266,000,371.18 - Step 5: Solve for x
x = 24,266,000,371.18/236,790.20 - Step 6: Final answer
x = 102,478.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.