Finding the Fourth Proportional to 353,024.20, 529,798.80 and 142,663.96
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Solution
The fourth proportional to 353,024.20, 529,798.80 and 142,663.96 is: 214,102.02
Step by Step Solution
- Step 1: Write the proportion equation
353,024.20 : 529,798.80 = 142,663.96 : x - Step 2: Convert to fraction form
353,024.20/529,798.80 = 142,663.96/x - Step 3: Cross multiply
353,024.20x = 529,798.80 × 142,663.96 - Step 4: Simplify right side
353,024.20x = 75,583,194,811.25 - Step 5: Solve for x
x = 75,583,194,811.25/353,024.20 - Step 6: Final answer
x = 214,102.02
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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.