Finding the Fourth Proportional to 255,649.95, 352,823.18 and 153,708.62
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Solution
The fourth proportional to 255,649.95, 352,823.18 and 153,708.62 is: 212,133.67
Step by Step Solution
- Step 1: Write the proportion equation
255,649.95 : 352,823.18 = 153,708.62 : x - Step 2: Convert to fraction form
255,649.95/352,823.18 = 153,708.62/x - Step 3: Cross multiply
255,649.95x = 352,823.18 × 153,708.62 - Step 4: Simplify right side
255,649.95x = 54,231,961,569.15 - Step 5: Solve for x
x = 54,231,961,569.15/255,649.95 - Step 6: Final answer
x = 212,133.67
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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.