Finding the Fourth Proportional to 135,230.59, 201,963.61 and 115,024.74
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Solution
The fourth proportional to 135,230.59, 201,963.61 and 115,024.74 is: 171,786.66
Step by Step Solution
- Step 1: Write the proportion equation
135,230.59 : 201,963.61 = 115,024.74 : x - Step 2: Convert to fraction form
135,230.59/201,963.61 = 115,024.74/x - Step 3: Cross multiply
135,230.59x = 201,963.61 × 115,024.74 - Step 4: Simplify right side
135,230.59x = 23,230,811,729.71 - Step 5: Solve for x
x = 23,230,811,729.71/135,230.59 - Step 6: Final answer
x = 171,786.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.