Finding the Fourth Proportional to 402,024.60, 603,497.70 and 235,906.20
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Solution
The fourth proportional to 402,024.60, 603,497.70 and 235,906.20 is: 354,129.70
Step by Step Solution
- Step 1: Write the proportion equation
402,024.60 : 603,497.70 = 235,906.20 : x - Step 2: Convert to fraction form
402,024.60/603,497.70 = 235,906.20/x - Step 3: Cross multiply
402,024.60x = 603,497.70 × 235,906.20 - Step 4: Simplify right side
402,024.60x = 142,368,849,115.74 - Step 5: Solve for x
x = 142,368,849,115.74/402,024.60 - Step 6: Final answer
x = 354,129.70
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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.