Finding the Fourth Proportional to 257,748.04, 354,883.96 and 234,128.44
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Solution
The fourth proportional to 257,748.04, 354,883.96 and 234,128.44 is: 322,362.99
Step by Step Solution
- Step 1: Write the proportion equation
257,748.04 : 354,883.96 = 234,128.44 : x - Step 2: Convert to fraction form
257,748.04/354,883.96 = 234,128.44/x - Step 3: Cross multiply
257,748.04x = 354,883.96 × 234,128.44 - Step 4: Simplify right side
257,748.04x = 83,088,427,935.82 - Step 5: Solve for x
x = 83,088,427,935.82/257,748.04 - Step 6: Final answer
x = 322,362.99
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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.