Finding the Fourth Proportional to 510,347.25, 765,631.51 and 155,351.99
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Solution
The fourth proportional to 510,347.25, 765,631.51 and 155,351.99 is: 233,061.67
Step by Step Solution
- Step 1: Write the proportion equation
510,347.25 : 765,631.51 = 155,351.99 : x - Step 2: Convert to fraction form
510,347.25/765,631.51 = 155,351.99/x - Step 3: Cross multiply
510,347.25x = 765,631.51 × 155,351.99 - Step 4: Simplify right side
510,347.25x = 118,942,380,210.90 - Step 5: Solve for x
x = 118,942,380,210.90/510,347.25 - Step 6: Final answer
x = 233,061.67
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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.