Finding the Fourth Proportional to 457,511.09, 631,214.07 and 276,154.11
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Solution
The fourth proportional to 457,511.09, 631,214.07 and 276,154.11 is: 381,001.39
Step by Step Solution
- Step 1: Write the proportion equation
457,511.09 : 631,214.07 = 276,154.11 : x - Step 2: Convert to fraction form
457,511.09/631,214.07 = 276,154.11/x - Step 3: Cross multiply
457,511.09x = 631,214.07 × 276,154.11 - Step 4: Simplify right side
457,511.09x = 174,312,358,684.75 - Step 5: Solve for x
x = 174,312,358,684.75/457,511.09 - Step 6: Final answer
x = 381,001.39
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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.