Finding the Fourth Proportional to 147,364.14, 203,367.16 and 83,698.14
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Solution
The fourth proportional to 147,364.14, 203,367.16 and 83,698.14 is: 115,506.07
Step by Step Solution
- Step 1: Write the proportion equation
147,364.14 : 203,367.16 = 83,698.14 : x - Step 2: Convert to fraction form
147,364.14/203,367.16 = 83,698.14/x - Step 3: Cross multiply
147,364.14x = 203,367.16 × 83,698.14 - Step 4: Simplify right side
147,364.14x = 17,021,453,029.08 - Step 5: Solve for x
x = 17,021,453,029.08/147,364.14 - Step 6: Final answer
x = 115,506.07
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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.