Finding the Fourth Proportional to 135,480.14, 203,346.30 and 68,970.06
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Solution
The fourth proportional to 135,480.14, 203,346.30 and 68,970.06 is: 103,519.28
Step by Step Solution
- Step 1: Write the proportion equation
135,480.14 : 203,346.30 = 68,970.06 : x - Step 2: Convert to fraction form
135,480.14/203,346.30 = 68,970.06/x - Step 3: Cross multiply
135,480.14x = 203,346.30 × 68,970.06 - Step 4: Simplify right side
135,480.14x = 14,024,806,511.78 - Step 5: Solve for x
x = 14,024,806,511.78/135,480.14 - Step 6: Final answer
x = 103,519.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.