Finding the Fourth Proportional to 155,377.41, 214,419.63 and 88,309.41
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Solution
The fourth proportional to 155,377.41, 214,419.63 and 88,309.41 is: 121,866.31
Step by Step Solution
- Step 1: Write the proportion equation
155,377.41 : 214,419.63 = 88,309.41 : x - Step 2: Convert to fraction form
155,377.41/214,419.63 = 88,309.41/x - Step 3: Cross multiply
155,377.41x = 214,419.63 × 88,309.41 - Step 4: Simplify right side
155,377.41x = 18,935,271,017.72 - Step 5: Solve for x
x = 18,935,271,017.72/155,377.41 - Step 6: Final answer
x = 121,866.31
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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.