Finding the Fourth Proportional to 444,358.54, 612,576.87 and 316,812.70
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Solution
The fourth proportional to 444,358.54, 612,576.87 and 316,812.70 is: 436,746.71
Step by Step Solution
- Step 1: Write the proportion equation
444,358.54 : 612,576.87 = 316,812.70 : x - Step 2: Convert to fraction form
444,358.54/612,576.87 = 316,812.70/x - Step 3: Cross multiply
444,358.54x = 612,576.87 × 316,812.70 - Step 4: Simplify right side
444,358.54x = 194,072,132,142.25 - Step 5: Solve for x
x = 194,072,132,142.25/444,358.54 - Step 6: Final answer
x = 436,746.71
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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.