Finding the Fourth Proportional to 460,734.21, 635,864.85 and 256,803.75
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Solution
The fourth proportional to 460,734.21, 635,864.85 and 256,803.75 is: 354,417.96
Step by Step Solution
- Step 1: Write the proportion equation
460,734.21 : 635,864.85 = 256,803.75 : x - Step 2: Convert to fraction form
460,734.21/635,864.85 = 256,803.75/x - Step 3: Cross multiply
460,734.21x = 635,864.85 × 256,803.75 - Step 4: Simplify right side
460,734.21x = 163,292,477,973.19 - Step 5: Solve for x
x = 163,292,477,973.19/460,734.21 - Step 6: Final answer
x = 354,417.96
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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.