Finding the Fourth Proportional to 114,465.44, 157,963.71 and 63,478.88
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Solution
The fourth proportional to 114,465.44, 157,963.71 and 63,478.88 is: 87,601.63
Step by Step Solution
- Step 1: Write the proportion equation
114,465.44 : 157,963.71 = 63,478.88 : x - Step 2: Convert to fraction form
114,465.44/157,963.71 = 63,478.88/x - Step 3: Cross multiply
114,465.44x = 157,963.71 × 63,478.88 - Step 4: Simplify right side
114,465.44x = 10,027,358,601.63 - Step 5: Solve for x
x = 10,027,358,601.63/114,465.44 - Step 6: Final answer
x = 87,601.63
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1.5x scale
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.