Finding the Fourth Proportional to 138,097.58, 190,432.96 and 97,800.62
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Solution
The fourth proportional to 138,097.58, 190,432.96 and 97,800.62 is: 134,864.50
Step by Step Solution
- Step 1: Write the proportion equation
138,097.58 : 190,432.96 = 97,800.62 : x - Step 2: Convert to fraction form
138,097.58/190,432.96 = 97,800.62/x - Step 3: Cross multiply
138,097.58x = 190,432.96 × 97,800.62 - Step 4: Simplify right side
138,097.58x = 18,624,460,359.77 - Step 5: Solve for x
x = 18,624,460,359.77/138,097.58 - Step 6: Final answer
x = 134,864.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.