Finding the Fourth Proportional to 229,681.36, 316,889.04 and 134,119.12
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Solution
The fourth proportional to 229,681.36, 316,889.04 and 134,119.12 is: 185,042.79
Step by Step Solution
- Step 1: Write the proportion equation
229,681.36 : 316,889.04 = 134,119.12 : x - Step 2: Convert to fraction form
229,681.36/316,889.04 = 134,119.12/x - Step 3: Cross multiply
229,681.36x = 316,889.04 × 134,119.12 - Step 4: Simplify right side
229,681.36x = 42,500,879,182.44 - Step 5: Solve for x
x = 42,500,879,182.44/229,681.36 - Step 6: Final answer
x = 185,042.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.