Finding the Fourth Proportional to 199,730.80, 299,725.80 and 115,490.80
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Solution
The fourth proportional to 199,730.80, 299,725.80 and 115,490.80 is: 173,311.14
Step by Step Solution
- Step 1: Write the proportion equation
199,730.80 : 299,725.80 = 115,490.80 : x - Step 2: Convert to fraction form
199,730.80/299,725.80 = 115,490.80/x - Step 3: Cross multiply
199,730.80x = 299,725.80 × 115,490.80 - Step 4: Simplify right side
199,730.80x = 34,615,572,422.64 - Step 5: Solve for x
x = 34,615,572,422.64/199,730.80 - Step 6: Final answer
x = 173,311.14
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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.