Finding the Fourth Proportional to 318,269.16, 439,202.68 and 175,029.19
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Solution
The fourth proportional to 318,269.16, 439,202.68 and 175,029.19 is: 241,535.46
Step by Step Solution
- Step 1: Write the proportion equation
318,269.16 : 439,202.68 = 175,029.19 : x - Step 2: Convert to fraction form
318,269.16/439,202.68 = 175,029.19/x - Step 3: Cross multiply
318,269.16x = 439,202.68 × 175,029.19 - Step 4: Simplify right side
318,269.16x = 76,873,287,790.65 - Step 5: Solve for x
x = 76,873,287,790.65/318,269.16 - Step 6: Final answer
x = 241,535.46
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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.