Finding the Fourth Proportional to 255,613.95, 352,773.50 and 153,672.62
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Solution
The fourth proportional to 255,613.95, 352,773.50 and 153,672.62 is: 212,083.99
Step by Step Solution
- Step 1: Write the proportion equation
255,613.95 : 352,773.50 = 153,672.62 : x - Step 2: Convert to fraction form
255,613.95/352,773.50 = 153,672.62/x - Step 3: Cross multiply
255,613.95x = 352,773.50 × 153,672.62 - Step 4: Simplify right side
255,613.95x = 54,211,625,479.34 - Step 5: Solve for x
x = 54,211,625,479.34/255,613.95 - Step 6: Final answer
x = 212,083.99
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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.