Finding the Fourth Proportional to 422,395.84, 633,596.40 and 102,546.88
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Solution
The fourth proportional to 422,395.84, 633,596.40 and 102,546.88 is: 153,820.96
Step by Step Solution
- Step 1: Write the proportion equation
422,395.84 : 633,596.40 = 102,546.88 : x - Step 2: Convert to fraction form
422,395.84/633,596.40 = 102,546.88/x - Step 3: Cross multiply
422,395.84x = 633,596.40 × 102,546.88 - Step 4: Simplify right side
422,395.84x = 64,973,333,999.23 - Step 5: Solve for x
x = 64,973,333,999.23/422,395.84 - Step 6: Final answer
x = 153,820.96
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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.