Finding the Fourth Proportional to 134,430.80, 201,646.20 and 132,357.20
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Solution
The fourth proportional to 134,430.80, 201,646.20 and 132,357.20 is: 198,535.80
Step by Step Solution
- Step 1: Write the proportion equation
134,430.80 : 201,646.20 = 132,357.20 : x - Step 2: Convert to fraction form
134,430.80/201,646.20 = 132,357.20/x - Step 3: Cross multiply
134,430.80x = 201,646.20 × 132,357.20 - Step 4: Simplify right side
134,430.80x = 26,689,326,422.64 - Step 5: Solve for x
x = 26,689,326,422.64/134,430.80 - Step 6: Final answer
x = 198,535.80
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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.