Finding the Fourth Proportional to 204,430.80, 306,660.60 and 115,726.80
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Solution
The fourth proportional to 204,430.80, 306,660.60 and 115,726.80 is: 173,598.35
Step by Step Solution
- Step 1: Write the proportion equation
204,430.80 : 306,660.60 = 115,726.80 : x - Step 2: Convert to fraction form
204,430.80/306,660.60 = 115,726.80/x - Step 3: Cross multiply
204,430.80x = 306,660.60 × 115,726.80 - Step 4: Simplify right side
204,430.80x = 35,488,849,924.08 - Step 5: Solve for x
x = 35,488,849,924.08/204,430.80 - Step 6: Final answer
x = 173,598.35
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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.