Finding the Fourth Proportional to 465,748.99, 642,801.67 and 261,816.71
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Solution
The fourth proportional to 465,748.99, 642,801.67 and 261,816.71 is: 361,345.32
Step by Step Solution
- Step 1: Write the proportion equation
465,748.99 : 642,801.67 = 261,816.71 : x - Step 2: Convert to fraction form
465,748.99/642,801.67 = 261,816.71/x - Step 3: Cross multiply
465,748.99x = 642,801.67 × 261,816.71 - Step 4: Simplify right side
465,748.99x = 168,296,216,026.08 - Step 5: Solve for x
x = 168,296,216,026.08/465,748.99 - Step 6: Final answer
x = 361,345.32
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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.