Finding the Fourth Proportional to 457,400.26, 631,202.93 and 253,449.39
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Solution
The fourth proportional to 457,400.26, 631,202.93 and 253,449.39 is: 349,754.94
Step by Step Solution
- Step 1: Write the proportion equation
457,400.26 : 631,202.93 = 253,449.39 : x - Step 2: Convert to fraction form
457,400.26/631,202.93 = 253,449.39/x - Step 3: Cross multiply
457,400.26x = 631,202.93 × 253,449.39 - Step 4: Simplify right side
457,400.26x = 159,977,997,574.71 - Step 5: Solve for x
x = 159,977,997,574.71/457,400.26 - Step 6: Final answer
x = 349,754.94
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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.