Finding the Fourth Proportional to 461,315.07, 636,636.92 and 260,106.75
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Solution
The fourth proportional to 461,315.07, 636,636.92 and 260,106.75 is: 358,959.79
Step by Step Solution
- Step 1: Write the proportion equation
461,315.07 : 636,636.92 = 260,106.75 : x - Step 2: Convert to fraction form
461,315.07/636,636.92 = 260,106.75/x - Step 3: Cross multiply
461,315.07x = 636,636.92 × 260,106.75 - Step 4: Simplify right side
461,315.07x = 165,593,558,890.68 - Step 5: Solve for x
x = 165,593,558,890.68/461,315.07 - Step 6: Final answer
x = 358,959.79
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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.