Finding the Fourth Proportional to 260,221.68, 389,263.29 and 207,733.68
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Solution
The fourth proportional to 260,221.68, 389,263.29 and 207,733.68 is: 310,746.96
Step by Step Solution
- Step 1: Write the proportion equation
260,221.68 : 389,263.29 = 207,733.68 : x - Step 2: Convert to fraction form
260,221.68/389,263.29 = 207,733.68/x - Step 3: Cross multiply
260,221.68x = 389,263.29 × 207,733.68 - Step 4: Simplify right side
260,221.68x = 80,863,095,720.61 - Step 5: Solve for x
x = 80,863,095,720.61/260,221.68 - Step 6: Final answer
x = 310,746.96
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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.