Finding the Fourth Proportional to 354,909.40, 532,364.10 and 236,195.80
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Solution
The fourth proportional to 354,909.40, 532,364.10 and 236,195.80 is: 354,293.70
Step by Step Solution
- Step 1: Write the proportion equation
354,909.40 : 532,364.10 = 236,195.80 : x - Step 2: Convert to fraction form
354,909.40/532,364.10 = 236,195.80/x - Step 3: Cross multiply
354,909.40x = 532,364.10 × 236,195.80 - Step 4: Simplify right side
354,909.40x = 125,742,164,490.78 - Step 5: Solve for x
x = 125,742,164,490.78/354,909.40 - Step 6: Final answer
x = 354,293.70
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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.