Finding the Fourth Proportional to 277,238.10, 382,590.87 and 153,063.08
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Solution
The fourth proportional to 277,238.10, 382,590.87 and 153,063.08 is: 211,228.31
Step by Step Solution
- Step 1: Write the proportion equation
277,238.10 : 382,590.87 = 153,063.08 : x - Step 2: Convert to fraction form
277,238.10/382,590.87 = 153,063.08/x - Step 3: Cross multiply
277,238.10x = 382,590.87 × 153,063.08 - Step 4: Simplify right side
277,238.10x = 58,560,535,029.13 - Step 5: Solve for x
x = 58,560,535,029.13/277,238.10 - Step 6: Final answer
x = 211,228.31
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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.