Finding the Fourth Proportional to 255,673.84, 352,831.08 and 148,307.44
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Solution
The fourth proportional to 255,673.84, 352,831.08 and 148,307.44 is: 204,664.95
Step by Step Solution
- Step 1: Write the proportion equation
255,673.84 : 352,831.08 = 148,307.44 : x - Step 2: Convert to fraction form
255,673.84/352,831.08 = 148,307.44/x - Step 3: Cross multiply
255,673.84x = 352,831.08 × 148,307.44 - Step 4: Simplify right side
255,673.84x = 52,327,474,227.24 - Step 5: Solve for x
x = 52,327,474,227.24/255,673.84 - Step 6: Final answer
x = 204,664.95
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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.