Finding the Fourth Proportional to 292,138.09, 403,332.92 and 224,023.98
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Solution
The fourth proportional to 292,138.09, 403,332.92 and 224,023.98 is: 309,292.92
Step by Step Solution
- Step 1: Write the proportion equation
292,138.09 : 403,332.92 = 224,023.98 : x - Step 2: Convert to fraction form
292,138.09/403,332.92 = 224,023.98/x - Step 3: Cross multiply
292,138.09x = 403,332.92 × 224,023.98 - Step 4: Simplify right side
292,138.09x = 90,356,244,967.14 - Step 5: Solve for x
x = 90,356,244,967.14/292,138.09 - Step 6: Final answer
x = 309,292.92
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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.