Finding the Fourth Proportional to 449,038.51, 619,077.67 and 372,267.79
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Solution
The fourth proportional to 449,038.51, 619,077.67 and 372,267.79 is: 513,235.88
Step by Step Solution
- Step 1: Write the proportion equation
449,038.51 : 619,077.67 = 372,267.79 : x - Step 2: Convert to fraction form
449,038.51/619,077.67 = 372,267.79/x - Step 3: Cross multiply
449,038.51x = 619,077.67 × 372,267.79 - Step 4: Simplify right side
449,038.51x = 230,462,676,049.25 - Step 5: Solve for x
x = 230,462,676,049.25/449,038.51 - Step 6: Final answer
x = 513,235.88
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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.