Finding the Fourth Proportional to 178,448.09, 246,259.57 and 97,876.17
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Solution
The fourth proportional to 178,448.09, 246,259.57 and 97,876.17 is: 135,069.78
Step by Step Solution
- Step 1: Write the proportion equation
178,448.09 : 246,259.57 = 97,876.17 : x - Step 2: Convert to fraction form
178,448.09/246,259.57 = 97,876.17/x - Step 3: Cross multiply
178,448.09x = 246,259.57 × 97,876.17 - Step 4: Simplify right side
178,448.09x = 24,102,943,292.76 - Step 5: Solve for x
x = 24,102,943,292.76/178,448.09 - Step 6: Final answer
x = 135,069.78
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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.