Finding the Fourth Proportional to 254,677.70, 351,461.52 and 139,955.48
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Solution
The fourth proportional to 254,677.70, 351,461.52 and 139,955.48 is: 193,142.02
Step by Step Solution
- Step 1: Write the proportion equation
254,677.70 : 351,461.52 = 139,955.48 : x - Step 2: Convert to fraction form
254,677.70/351,461.52 = 139,955.48/x - Step 3: Cross multiply
254,677.70x = 351,461.52 × 139,955.48 - Step 4: Simplify right side
254,677.70x = 49,188,965,733.13 - Step 5: Solve for x
x = 49,188,965,733.13/254,677.70 - Step 6: Final answer
x = 193,142.02
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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.