Finding the Fourth Proportional to 516,111.17, 773,969.31 and 169,813.99
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Solution
The fourth proportional to 516,111.17, 773,969.31 and 169,813.99 is: 254,656.02
Step by Step Solution
- Step 1: Write the proportion equation
516,111.17 : 773,969.31 = 169,813.99 : x - Step 2: Convert to fraction form
516,111.17/773,969.31 = 169,813.99/x - Step 3: Cross multiply
516,111.17x = 773,969.31 × 169,813.99 - Step 4: Simplify right side
516,111.17x = 131,430,816,668.65 - Step 5: Solve for x
x = 131,430,816,668.65/516,111.17 - Step 6: Final answer
x = 254,656.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.