Finding the Fourth Proportional to 505,612.76, 758,421.98 and 168,652.50
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Solution
The fourth proportional to 505,612.76, 758,421.98 and 168,652.50 is: 252,979.70
Step by Step Solution
- Step 1: Write the proportion equation
505,612.76 : 758,421.98 = 168,652.50 : x - Step 2: Convert to fraction form
505,612.76/758,421.98 = 168,652.50/x - Step 3: Cross multiply
505,612.76x = 758,421.98 × 168,652.50 - Step 4: Simplify right side
505,612.76x = 127,909,762,981.95 - Step 5: Solve for x
x = 127,909,762,981.95/505,612.76 - Step 6: Final answer
x = 252,979.70
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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.