Finding the Fourth Proportional to 256,578.17, 354,134.06 and 149,210.13
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Solution
The fourth proportional to 256,578.17, 354,134.06 and 149,210.13 is: 205,942.66
Step by Step Solution
- Step 1: Write the proportion equation
256,578.17 : 354,134.06 = 149,210.13 : x - Step 2: Convert to fraction form
256,578.17/354,134.06 = 149,210.13/x - Step 3: Cross multiply
256,578.17x = 354,134.06 × 149,210.13 - Step 4: Simplify right side
256,578.17x = 52,840,390,271.52 - Step 5: Solve for x
x = 52,840,390,271.52/256,578.17 - Step 6: Final answer
x = 205,942.66
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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.