Finding the Fourth Proportional to 559,757.08, 772,441.86 and 305,102.68
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Solution
The fourth proportional to 559,757.08, 772,441.86 and 305,102.68 is: 421,029.21
Step by Step Solution
- Step 1: Write the proportion equation
559,757.08 : 772,441.86 = 305,102.68 : x - Step 2: Convert to fraction form
559,757.08/772,441.86 = 305,102.68/x - Step 3: Cross multiply
559,757.08x = 772,441.86 × 305,102.68 - Step 4: Simplify right side
559,757.08x = 235,674,081,630.19 - Step 5: Solve for x
x = 235,674,081,630.19/559,757.08 - Step 6: Final answer
x = 421,029.21
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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.