Finding the Fourth Proportional to 415,248.14, 622,955.45 and 149,029.49
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Solution
The fourth proportional to 415,248.14, 622,955.45 and 149,029.49 is: 223,574.11
Step by Step Solution
- Step 1: Write the proportion equation
415,248.14 : 622,955.45 = 149,029.49 : x - Step 2: Convert to fraction form
415,248.14/622,955.45 = 149,029.49/x - Step 3: Cross multiply
415,248.14x = 622,955.45 × 149,029.49 - Step 4: Simplify right side
415,248.14x = 92,838,734,936.18 - Step 5: Solve for x
x = 92,838,734,936.18/415,248.14 - Step 6: Final answer
x = 223,574.11
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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.