Finding the Fourth Proportional to 229,303.41, 316,438.75 and 133,791.65
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Solution
The fourth proportional to 229,303.41, 316,438.75 and 133,791.65 is: 184,632.50
Step by Step Solution
- Step 1: Write the proportion equation
229,303.41 : 316,438.75 = 133,791.65 : x - Step 2: Convert to fraction form
229,303.41/316,438.75 = 133,791.65/x - Step 3: Cross multiply
229,303.41x = 316,438.75 × 133,791.65 - Step 4: Simplify right side
229,303.41x = 42,336,862,258.13 - Step 5: Solve for x
x = 42,336,862,258.13/229,303.41 - Step 6: Final answer
x = 184,632.50
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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.