Finding the Fourth Proportional to 147,316.40, 203,209.80 and 104,247.44
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Solution
The fourth proportional to 147,316.40, 203,209.80 and 104,247.44 is: 143,800.02
Step by Step Solution
- Step 1: Write the proportion equation
147,316.40 : 203,209.80 = 104,247.44 : x - Step 2: Convert to fraction form
147,316.40/203,209.80 = 104,247.44/x - Step 3: Cross multiply
147,316.40x = 203,209.80 × 104,247.44 - Step 4: Simplify right side
147,316.40x = 21,184,101,432.91 - Step 5: Solve for x
x = 21,184,101,432.91/147,316.40 - Step 6: Final answer
x = 143,800.02
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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.