Finding the Fourth Proportional to 351,989.73, 485,743.50 and 190,844.28
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Solution
The fourth proportional to 351,989.73, 485,743.50 and 190,844.28 is: 263,363.84
Step by Step Solution
- Step 1: Write the proportion equation
351,989.73 : 485,743.50 = 190,844.28 : x - Step 2: Convert to fraction form
351,989.73/485,743.50 = 190,844.28/x - Step 3: Cross multiply
351,989.73x = 485,743.50 × 190,844.28 - Step 4: Simplify right side
351,989.73x = 92,701,368,522.18 - Step 5: Solve for x
x = 92,701,368,522.18/351,989.73 - Step 6: Final answer
x = 263,363.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.