Finding the Fourth Proportional to 134,422.80, 201,743.55 and 130,048.80
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Solution
The fourth proportional to 134,422.80, 201,743.55 and 130,048.80 is: 195,178.99
Step by Step Solution
- Step 1: Write the proportion equation
134,422.80 : 201,743.55 = 130,048.80 : x - Step 2: Convert to fraction form
134,422.80/201,743.55 = 130,048.80/x - Step 3: Cross multiply
134,422.80x = 201,743.55 × 130,048.80 - Step 4: Simplify right side
134,422.80x = 26,236,506,585.24 - Step 5: Solve for x
x = 26,236,506,585.24/134,422.80 - Step 6: Final answer
x = 195,178.99
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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.