Finding the Fourth Proportional to 353,291.10, 529,159.05 and 212,804.70
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Solution
The fourth proportional to 353,291.10, 529,159.05 and 212,804.70 is: 318,738.66
Step by Step Solution
- Step 1: Write the proportion equation
353,291.10 : 529,159.05 = 212,804.70 : x - Step 2: Convert to fraction form
353,291.10/529,159.05 = 212,804.70/x - Step 3: Cross multiply
353,291.10x = 529,159.05 × 212,804.70 - Step 4: Simplify right side
353,291.10x = 112,607,532,887.54 - Step 5: Solve for x
x = 112,607,532,887.54/353,291.10 - Step 6: Final answer
x = 318,738.66
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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.