Finding the Fourth Proportional to 256,681.40, 354,202.35 and 149,243.81
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Solution
The fourth proportional to 256,681.40, 354,202.35 and 149,243.81 is: 205,946.00
Step by Step Solution
- Step 1: Write the proportion equation
256,681.40 : 354,202.35 = 149,243.81 : x - Step 2: Convert to fraction form
256,681.40/354,202.35 = 149,243.81/x - Step 3: Cross multiply
256,681.40x = 354,202.35 × 149,243.81 - Step 4: Simplify right side
256,681.40x = 52,862,508,224.95 - Step 5: Solve for x
x = 52,862,508,224.95/256,681.40 - Step 6: Final answer
x = 205,946.00
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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.