Finding the Fourth Proportional to 430,386.96, 593,910.44 and 236,791.02
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Solution
The fourth proportional to 430,386.96, 593,910.44 and 236,791.02 is: 326,758.64
Step by Step Solution
- Step 1: Write the proportion equation
430,386.96 : 593,910.44 = 236,791.02 : x - Step 2: Convert to fraction form
430,386.96/593,910.44 = 236,791.02/x - Step 3: Cross multiply
430,386.96x = 593,910.44 × 236,791.02 - Step 4: Simplify right side
430,386.96x = 140,632,658,876.25 - Step 5: Solve for x
x = 140,632,658,876.25/430,386.96 - Step 6: Final answer
x = 326,758.64
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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.