Finding the Fourth Proportional to 114,464.14, 157,794.58 and 80,368.81
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Solution
The fourth proportional to 114,464.14, 157,794.58 and 80,368.81 is: 110,792.45
Step by Step Solution
- Step 1: Write the proportion equation
114,464.14 : 157,794.58 = 80,368.81 : x - Step 2: Convert to fraction form
114,464.14/157,794.58 = 80,368.81/x - Step 3: Cross multiply
114,464.14x = 157,794.58 × 80,368.81 - Step 4: Simplify right side
114,464.14x = 12,681,762,325.02 - Step 5: Solve for x
x = 12,681,762,325.02/114,464.14 - Step 6: Final answer
x = 110,792.45
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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.