Finding the Fourth Proportional to 470,742.99, 706,108.37 and 115,760.11
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Solution
The fourth proportional to 470,742.99, 706,108.37 and 115,760.11 is: 173,638.66
Step by Step Solution
- Step 1: Write the proportion equation
470,742.99 : 706,108.37 = 115,760.11 : x - Step 2: Convert to fraction form
470,742.99/706,108.37 = 115,760.11/x - Step 3: Cross multiply
470,742.99x = 706,108.37 × 115,760.11 - Step 4: Simplify right side
470,742.99x = 81,739,182,004.32 - Step 5: Solve for x
x = 81,739,182,004.32/470,742.99 - Step 6: Final answer
x = 173,638.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.