Finding the Fourth Proportional to 153,964.70, 215,025.70 and 153,964.70
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Solution
The fourth proportional to 153,964.70, 215,025.70 and 153,964.70 is: 215,025.70
Step by Step Solution
- Step 1: Write the proportion equation
153,964.70 : 215,025.70 = 153,964.70 : x - Step 2: Convert to fraction form
153,964.70/215,025.70 = 153,964.70/x - Step 3: Cross multiply
153,964.70x = 215,025.70 × 153,964.70 - Step 4: Simplify right side
153,964.70x = 33,106,367,392.79 - Step 5: Solve for x
x = 33,106,367,392.79/153,964.70 - Step 6: Final answer
x = 215,025.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.