Finding the Fourth Proportional to 465,903.76, 642,057.68 and 401,352.70
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Solution
The fourth proportional to 465,903.76, 642,057.68 and 401,352.70 is: 553,100.46
Step by Step Solution
- Step 1: Write the proportion equation
465,903.76 : 642,057.68 = 401,352.70 : x - Step 2: Convert to fraction form
465,903.76/642,057.68 = 401,352.70/x - Step 3: Cross multiply
465,903.76x = 642,057.68 × 401,352.70 - Step 4: Simplify right side
465,903.76x = 257,691,583,423.74 - Step 5: Solve for x
x = 257,691,583,423.74/465,903.76 - Step 6: Final answer
x = 553,100.46
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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.