Finding the Fourth Proportional to 449,813.16, 674,386.41 and 272,278.17
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Solution
The fourth proportional to 449,813.16, 674,386.41 and 272,278.17 is: 408,215.49
Step by Step Solution
- Step 1: Write the proportion equation
449,813.16 : 674,386.41 = 272,278.17 : x - Step 2: Convert to fraction form
449,813.16/674,386.41 = 272,278.17/x - Step 3: Cross multiply
449,813.16x = 674,386.41 × 272,278.17 - Step 4: Simplify right side
449,813.16x = 183,620,697,587.67 - Step 5: Solve for x
x = 183,620,697,587.67/449,813.16 - Step 6: Final answer
x = 408,215.49
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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.