Finding the Fourth Proportional to 457,491.03, 631,186.38 and 276,134.06
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Solution
The fourth proportional to 457,491.03, 631,186.38 and 276,134.06 is: 380,973.71
Step by Step Solution
- Step 1: Write the proportion equation
457,491.03 : 631,186.38 = 276,134.06 : x - Step 2: Convert to fraction form
457,491.03/631,186.38 = 276,134.06/x - Step 3: Cross multiply
457,491.03x = 631,186.38 × 276,134.06 - Step 4: Simplify right side
457,491.03x = 174,292,054,570.17 - Step 5: Solve for x
x = 174,292,054,570.17/457,491.03 - Step 6: Final answer
x = 380,973.71
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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.