Finding the Fourth Proportional to 114,318.78, 157,752.30 and 63,328.08
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Solution
The fourth proportional to 114,318.78, 157,752.30 and 63,328.08 is: 87,388.53
Step by Step Solution
- Step 1: Write the proportion equation
114,318.78 : 157,752.30 = 63,328.08 : x - Step 2: Convert to fraction form
114,318.78/157,752.30 = 63,328.08/x - Step 3: Cross multiply
114,318.78x = 157,752.30 × 63,328.08 - Step 4: Simplify right side
114,318.78x = 9,990,150,274.58 - Step 5: Solve for x
x = 9,990,150,274.58/114,318.78 - Step 6: Final answer
x = 87,388.53
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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.