Finding the Fourth Proportional to 498,868.76, 688,454.02 and 272,528.84
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Solution
The fourth proportional to 498,868.76, 688,454.02 and 272,528.84 is: 376,098.07
Step by Step Solution
- Step 1: Write the proportion equation
498,868.76 : 688,454.02 = 272,528.84 : x - Step 2: Convert to fraction form
498,868.76/688,454.02 = 272,528.84/x - Step 3: Cross multiply
498,868.76x = 688,454.02 × 272,528.84 - Step 4: Simplify right side
498,868.76x = 187,623,575,463.94 - Step 5: Solve for x
x = 187,623,575,463.94/498,868.76 - Step 6: Final answer
x = 376,098.07
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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.