Finding the Fourth Proportional to 353,483.60, 529,903.67 and 128,792.84
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Solution
The fourth proportional to 353,483.60, 529,903.67 and 128,792.84 is: 193,072.03
Step by Step Solution
- Step 1: Write the proportion equation
353,483.60 : 529,903.67 = 128,792.84 : x - Step 2: Convert to fraction form
353,483.60/529,903.67 = 128,792.84/x - Step 3: Cross multiply
353,483.60x = 529,903.67 × 128,792.84 - Step 4: Simplify right side
353,483.60x = 68,247,795,292.24 - Step 5: Solve for x
x = 68,247,795,292.24/353,483.60 - Step 6: Final answer
x = 193,072.03
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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.