Finding the Fourth Proportional to 468,671.24, 646,830.70 and 287,351.12
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Solution
The fourth proportional to 468,671.24, 646,830.70 and 287,351.12 is: 396,584.02
Step by Step Solution
- Step 1: Write the proportion equation
468,671.24 : 646,830.70 = 287,351.12 : x - Step 2: Convert to fraction form
468,671.24/646,830.70 = 287,351.12/x - Step 3: Cross multiply
468,671.24x = 646,830.70 × 287,351.12 - Step 4: Simplify right side
468,671.24x = 185,867,526,095.38 - Step 5: Solve for x
x = 185,867,526,095.38/468,671.24 - Step 6: Final answer
x = 396,584.02
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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.