Finding the Fourth Proportional to 238,440.18, 357,715.64 and 69,953.70
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Solution
The fourth proportional to 238,440.18, 357,715.64 and 69,953.70 is: 104,946.79
Step by Step Solution
- Step 1: Write the proportion equation
238,440.18 : 357,715.64 = 69,953.70 : x - Step 2: Convert to fraction form
238,440.18/357,715.64 = 69,953.70/x - Step 3: Cross multiply
238,440.18x = 357,715.64 × 69,953.70 - Step 4: Simplify right side
238,440.18x = 25,023,532,216.10 - Step 5: Solve for x
x = 25,023,532,216.10/238,440.18 - Step 6: Final answer
x = 104,946.79
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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.