Finding the Fourth Proportional to 362,703.20, 543,398.70 and 310,215.20
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Solution
The fourth proportional to 362,703.20, 543,398.70 and 310,215.20 is: 464,761.65
Step by Step Solution
- Step 1: Write the proportion equation
362,703.20 : 543,398.70 = 310,215.20 : x - Step 2: Convert to fraction form
362,703.20/543,398.70 = 310,215.20/x - Step 3: Cross multiply
362,703.20x = 543,398.70 × 310,215.20 - Step 4: Simplify right side
362,703.20x = 168,570,536,400.24 - Step 5: Solve for x
x = 168,570,536,400.24/362,703.20 - Step 6: Final answer
x = 464,761.65
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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.