Finding the Fourth Proportional to 449,248.09, 619,975.14 and 245,311.96
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Solution
The fourth proportional to 449,248.09, 619,975.14 and 245,311.96 is: 338,537.48
Step by Step Solution
- Step 1: Write the proportion equation
449,248.09 : 619,975.14 = 245,311.96 : x - Step 2: Convert to fraction form
449,248.09/619,975.14 = 245,311.96/x - Step 3: Cross multiply
449,248.09x = 619,975.14 × 245,311.96 - Step 4: Simplify right side
449,248.09x = 152,087,316,131.39 - Step 5: Solve for x
x = 152,087,316,131.39/449,248.09 - Step 6: Final answer
x = 338,537.48
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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.