Finding the Fourth Proportional to 449,125.74, 619,794.64 and 245,176.80
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Solution
The fourth proportional to 449,125.74, 619,794.64 and 245,176.80 is: 338,344.59
Step by Step Solution
- Step 1: Write the proportion equation
449,125.74 : 619,794.64 = 245,176.80 : x - Step 2: Convert to fraction form
449,125.74/619,794.64 = 245,176.80/x - Step 3: Cross multiply
449,125.74x = 619,794.64 × 245,176.80 - Step 4: Simplify right side
449,125.74x = 151,959,266,492.35 - Step 5: Solve for x
x = 151,959,266,492.35/449,125.74 - Step 6: Final answer
x = 338,344.59
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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.