Finding the Fourth Proportional to 384,612.60, 577,035.42 and 272,509.68
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Solution
The fourth proportional to 384,612.60, 577,035.42 and 272,509.68 is: 408,847.08
Step by Step Solution
- Step 1: Write the proportion equation
384,612.60 : 577,035.42 = 272,509.68 : x - Step 2: Convert to fraction form
384,612.60/577,035.42 = 272,509.68/x - Step 3: Cross multiply
384,612.60x = 577,035.42 × 272,509.68 - Step 4: Simplify right side
384,612.60x = 157,247,737,652.87 - Step 5: Solve for x
x = 157,247,737,652.87/384,612.60 - Step 6: Final answer
x = 408,847.08
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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.