Finding the Fourth Proportional to 465,291.14, 642,056.42 and 261,295.67
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Solution
The fourth proportional to 465,291.14, 642,056.42 and 261,295.67 is: 360,562.56
Step by Step Solution
- Step 1: Write the proportion equation
465,291.14 : 642,056.42 = 261,295.67 : x - Step 2: Convert to fraction form
465,291.14/642,056.42 = 261,295.67/x - Step 3: Cross multiply
465,291.14x = 642,056.42 × 261,295.67 - Step 4: Simplify right side
465,291.14x = 167,766,564,700.08 - Step 5: Solve for x
x = 167,766,564,700.08/465,291.14 - Step 6: Final answer
x = 360,562.56
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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.