Finding the Fourth Proportional to 340,777.21, 470,253.36 and 187,814.93
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Solution
The fourth proportional to 340,777.21, 470,253.36 and 187,814.93 is: 259,174.02
Step by Step Solution
- Step 1: Write the proportion equation
340,777.21 : 470,253.36 = 187,814.93 : x - Step 2: Convert to fraction form
340,777.21/470,253.36 = 187,814.93/x - Step 3: Cross multiply
340,777.21x = 470,253.36 × 187,814.93 - Step 4: Simplify right side
340,777.21x = 88,320,599,539.40 - Step 5: Solve for x
x = 88,320,599,539.40/340,777.21 - Step 6: Final answer
x = 259,174.02
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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.