Finding the Fourth Proportional to 245,831.80, 368,747.70 and 127,733.80
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Solution
The fourth proportional to 245,831.80, 368,747.70 and 127,733.80 is: 191,600.70
Step by Step Solution
- Step 1: Write the proportion equation
245,831.80 : 368,747.70 = 127,733.80 : x - Step 2: Convert to fraction form
245,831.80/368,747.70 = 127,733.80/x - Step 3: Cross multiply
245,831.80x = 368,747.70 × 127,733.80 - Step 4: Simplify right side
245,831.80x = 47,101,544,962.26 - Step 5: Solve for x
x = 47,101,544,962.26/245,831.80 - Step 6: Final answer
x = 191,600.70
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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.