Finding the Fourth Proportional to 246,862.24, 340,573.45 and 143,479.26
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Solution
The fourth proportional to 246,862.24, 340,573.45 and 143,479.26 is: 197,945.32
Step by Step Solution
- Step 1: Write the proportion equation
246,862.24 : 340,573.45 = 143,479.26 : x - Step 2: Convert to fraction form
246,862.24/340,573.45 = 143,479.26/x - Step 3: Cross multiply
246,862.24x = 340,573.45 × 143,479.26 - Step 4: Simplify right side
246,862.24x = 48,865,225,953.93 - Step 5: Solve for x
x = 48,865,225,953.93/246,862.24 - Step 6: Final answer
x = 197,945.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.