Finding the Fourth Proportional to 519,214.51, 716,525.36 and 304,509.43
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Solution
The fourth proportional to 519,214.51, 716,525.36 and 304,509.43 is: 420,228.49
Step by Step Solution
- Step 1: Write the proportion equation
519,214.51 : 716,525.36 = 304,509.43 : x - Step 2: Convert to fraction form
519,214.51/716,525.36 = 304,509.43/x - Step 3: Cross multiply
519,214.51x = 716,525.36 × 304,509.43 - Step 4: Simplify right side
519,214.51x = 218,188,728,954.15 - Step 5: Solve for x
x = 218,188,728,954.15/519,214.51 - Step 6: Final answer
x = 420,228.49
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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.