Finding the Fourth Proportional to 254,372.13, 351,032.07 and 139,652.71
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Solution
The fourth proportional to 254,372.13, 351,032.07 and 139,652.71 is: 192,719.92
Step by Step Solution
- Step 1: Write the proportion equation
254,372.13 : 351,032.07 = 139,652.71 : x - Step 2: Convert to fraction form
254,372.13/351,032.07 = 139,652.71/x - Step 3: Cross multiply
254,372.13x = 351,032.07 × 139,652.71 - Step 4: Simplify right side
254,372.13x = 49,022,578,536.59 - Step 5: Solve for x
x = 49,022,578,536.59/254,372.13 - Step 6: Final answer
x = 192,719.92
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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.