Finding the Fourth Proportional to 229,290.71, 316,419.36 and 125,923.73
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Solution
The fourth proportional to 229,290.71, 316,419.36 and 125,923.73 is: 173,773.75
Step by Step Solution
- Step 1: Write the proportion equation
229,290.71 : 316,419.36 = 125,923.73 : x - Step 2: Convert to fraction form
229,290.71/316,419.36 = 125,923.73/x - Step 3: Cross multiply
229,290.71x = 316,419.36 × 125,923.73 - Step 4: Simplify right side
229,290.71x = 39,844,706,055.41 - Step 5: Solve for x
x = 39,844,706,055.41/229,290.71 - Step 6: Final answer
x = 173,773.75
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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.