Finding the Fourth Proportional to 169,874.68, 234,427.21 and 93,395.08
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Solution
The fourth proportional to 169,874.68, 234,427.21 and 93,395.08 is: 128,885.28
Step by Step Solution
- Step 1: Write the proportion equation
169,874.68 : 234,427.21 = 93,395.08 : x - Step 2: Convert to fraction form
169,874.68/234,427.21 = 93,395.08/x - Step 3: Cross multiply
169,874.68x = 234,427.21 × 93,395.08 - Step 4: Simplify right side
169,874.68x = 21,894,346,393.02 - Step 5: Solve for x
x = 21,894,346,393.02/169,874.68 - Step 6: Final answer
x = 128,885.28
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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.