Finding the Fourth Proportional to 312,203.25, 468,326.79 and 125,214.75
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Solution
The fourth proportional to 312,203.25, 468,326.79 and 125,214.75 is: 187,830.91
Step by Step Solution
- Step 1: Write the proportion equation
312,203.25 : 468,326.79 = 125,214.75 : x - Step 2: Convert to fraction form
312,203.25/468,326.79 = 125,214.75/x - Step 3: Cross multiply
312,203.25x = 468,326.79 × 125,214.75 - Step 4: Simplify right side
312,203.25x = 58,641,421,928.15 - Step 5: Solve for x
x = 58,641,421,928.15/312,203.25 - Step 6: Final answer
x = 187,830.91
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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.