Finding the Fourth Proportional to 480,438.81, 663,005.79 and 265,578.75
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Solution
The fourth proportional to 480,438.81, 663,005.79 and 265,578.75 is: 366,498.80
Step by Step Solution
- Step 1: Write the proportion equation
480,438.81 : 663,005.79 = 265,578.75 : x - Step 2: Convert to fraction form
480,438.81/663,005.79 = 265,578.75/x - Step 3: Cross multiply
480,438.81x = 663,005.79 × 265,578.75 - Step 4: Simplify right side
480,438.81x = 176,080,248,950.96 - Step 5: Solve for x
x = 176,080,248,950.96/480,438.81 - Step 6: Final answer
x = 366,498.80
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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.