Finding the Fourth Proportional to 432,351.35, 596,820.72 and 279,402.14
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Solution
The fourth proportional to 432,351.35, 596,820.72 and 279,402.14 is: 385,688.59
Step by Step Solution
- Step 1: Write the proportion equation
432,351.35 : 596,820.72 = 279,402.14 : x - Step 2: Convert to fraction form
432,351.35/596,820.72 = 279,402.14/x - Step 3: Cross multiply
432,351.35x = 596,820.72 × 279,402.14 - Step 4: Simplify right side
432,351.35x = 166,752,983,380.24 - Step 5: Solve for x
x = 166,752,983,380.24/432,351.35 - Step 6: Final answer
x = 385,688.59
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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.