Finding the Fourth Proportional to 559,783.96, 772,501.92 and 305,135.14
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Solution
The fourth proportional to 559,783.96, 772,501.92 and 305,135.14 is: 421,086.52
Step by Step Solution
- Step 1: Write the proportion equation
559,783.96 : 772,501.92 = 305,135.14 : x - Step 2: Convert to fraction form
559,783.96/772,501.92 = 305,135.14/x - Step 3: Cross multiply
559,783.96x = 772,501.92 × 305,135.14 - Step 4: Simplify right side
559,783.96x = 235,717,481,509.47 - Step 5: Solve for x
x = 235,717,481,509.47/559,783.96 - Step 6: Final answer
x = 421,086.52
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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.