Finding the Fourth Proportional to 448,869.12, 619,452.36 and 247,678.08
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Solution
The fourth proportional to 448,869.12, 619,452.36 and 247,678.08 is: 341,802.91
Step by Step Solution
- Step 1: Write the proportion equation
448,869.12 : 619,452.36 = 247,678.08 : x - Step 2: Convert to fraction form
448,869.12/619,452.36 = 247,678.08/x - Step 3: Cross multiply
448,869.12x = 619,452.36 × 247,678.08 - Step 4: Simplify right side
448,869.12x = 153,424,771,176.27 - Step 5: Solve for x
x = 153,424,771,176.27/448,869.12 - Step 6: Final answer
x = 341,802.91
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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.