Finding the Fourth Proportional to 202,879.80, 304,319.70 and 153,307.80
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Solution
The fourth proportional to 202,879.80, 304,319.70 and 153,307.80 is: 229,961.70
Step by Step Solution
- Step 1: Write the proportion equation
202,879.80 : 304,319.70 = 153,307.80 : x - Step 2: Convert to fraction form
202,879.80/304,319.70 = 153,307.80/x - Step 3: Cross multiply
202,879.80x = 304,319.70 × 153,307.80 - Step 4: Simplify right side
202,879.80x = 46,654,583,703.66 - Step 5: Solve for x
x = 46,654,583,703.66/202,879.80 - Step 6: Final answer
x = 229,961.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.