Finding the Fourth Proportional to 256,681.08, 354,263.67 and 149,313.42
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Solution
The fourth proportional to 256,681.08, 354,263.67 and 149,313.42 is: 206,077.99
Step by Step Solution
- Step 1: Write the proportion equation
256,681.08 : 354,263.67 = 149,313.42 : x - Step 2: Convert to fraction form
256,681.08/354,263.67 = 149,313.42/x - Step 3: Cross multiply
256,681.08x = 354,263.67 × 149,313.42 - Step 4: Simplify right side
256,681.08x = 52,896,320,149.45 - Step 5: Solve for x
x = 52,896,320,149.45/256,681.08 - Step 6: Final answer
x = 206,077.99
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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.