Finding the Fourth Proportional to 279,852.19, 386,204.12 and 152,536.03
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Solution
The fourth proportional to 279,852.19, 386,204.12 and 152,536.03 is: 210,504.14
Step by Step Solution
- Step 1: Write the proportion equation
279,852.19 : 386,204.12 = 152,536.03 : x - Step 2: Convert to fraction form
279,852.19/386,204.12 = 152,536.03/x - Step 3: Cross multiply
279,852.19x = 386,204.12 × 152,536.03 - Step 4: Simplify right side
279,852.19x = 58,910,043,234.44 - Step 5: Solve for x
x = 58,910,043,234.44/279,852.19 - Step 6: Final answer
x = 210,504.14
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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.