Finding the Fourth Proportional to 306,746.75, 460,120.17 and 140,534.75
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Solution
The fourth proportional to 306,746.75, 460,120.17 and 140,534.75 is: 210,802.15
Step by Step Solution
- Step 1: Write the proportion equation
306,746.75 : 460,120.17 = 140,534.75 : x - Step 2: Convert to fraction form
306,746.75/460,120.17 = 140,534.75/x - Step 3: Cross multiply
306,746.75x = 460,120.17 × 140,534.75 - Step 4: Simplify right side
306,746.75x = 64,662,873,060.91 - Step 5: Solve for x
x = 64,662,873,060.91/306,746.75 - Step 6: Final answer
x = 210,802.15
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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.