Finding the Fourth Proportional to 372,028.23, 557,681.49 and 147,313.98
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Solution
The fourth proportional to 372,028.23, 557,681.49 and 147,313.98 is: 220,828.08
Step by Step Solution
- Step 1: Write the proportion equation
372,028.23 : 557,681.49 = 147,313.98 : x - Step 2: Convert to fraction form
372,028.23/557,681.49 = 147,313.98/x - Step 3: Cross multiply
372,028.23x = 557,681.49 × 147,313.98 - Step 4: Simplify right side
372,028.23x = 82,154,279,864.23 - Step 5: Solve for x
x = 82,154,279,864.23/372,028.23 - Step 6: Final answer
x = 220,828.08
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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.