Finding the Fourth Proportional to 399,267.63, 598,930.20 and 125,690.40
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Solution
The fourth proportional to 399,267.63, 598,930.20 and 125,690.40 is: 188,544.65
Step by Step Solution
- Step 1: Write the proportion equation
399,267.63 : 598,930.20 = 125,690.40 : x - Step 2: Convert to fraction form
399,267.63/598,930.20 = 125,690.40/x - Step 3: Cross multiply
399,267.63x = 598,930.20 × 125,690.40 - Step 4: Simplify right side
399,267.63x = 75,279,776,410.08 - Step 5: Solve for x
x = 75,279,776,410.08/399,267.63 - Step 6: Final answer
x = 188,544.65
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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.