Finding the Fourth Proportional to 355,733.74, 533,693.76 and 106,415.74
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Solution
The fourth proportional to 355,733.74, 533,693.76 and 106,415.74 is: 159,651.48
Step by Step Solution
- Step 1: Write the proportion equation
355,733.74 : 533,693.76 = 106,415.74 : x - Step 2: Convert to fraction form
355,733.74/533,693.76 = 106,415.74/x - Step 3: Cross multiply
355,733.74x = 533,693.76 × 106,415.74 - Step 4: Simplify right side
355,733.74x = 56,793,416,403.78 - Step 5: Solve for x
x = 56,793,416,403.78/355,733.74 - Step 6: Final answer
x = 159,651.48
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1.5x scale
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.