Finding the Fourth Proportional to 147,400.14, 203,206.11 and 124,647.75
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Solution
The fourth proportional to 147,400.14, 203,206.11 and 124,647.75 is: 171,839.62
Step by Step Solution
- Step 1: Write the proportion equation
147,400.14 : 203,206.11 = 124,647.75 : x - Step 2: Convert to fraction form
147,400.14/203,206.11 = 124,647.75/x - Step 3: Cross multiply
147,400.14x = 203,206.11 × 124,647.75 - Step 4: Simplify right side
147,400.14x = 25,329,184,397.75 - Step 5: Solve for x
x = 25,329,184,397.75/147,400.14 - Step 6: Final answer
x = 171,839.62
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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.