Finding the Fourth Proportional to 353,115.80, 529,673.70 and 353,115.80
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Solution
The fourth proportional to 353,115.80, 529,673.70 and 353,115.80 is: 529,673.70
Step by Step Solution
- Step 1: Write the proportion equation
353,115.80 : 529,673.70 = 353,115.80 : x - Step 2: Convert to fraction form
353,115.80/529,673.70 = 353,115.80/x - Step 3: Cross multiply
353,115.80x = 529,673.70 × 353,115.80 - Step 4: Simplify right side
353,115.80x = 187,036,152,314.46 - Step 5: Solve for x
x = 187,036,152,314.46/353,115.80 - Step 6: Final answer
x = 529,673.70
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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.