Finding the Fourth Proportional to 498,995.04, 688,605.12 and 272,635.68
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Solution
The fourth proportional to 498,995.04, 688,605.12 and 272,635.68 is: 376,232.85
Step by Step Solution
- Step 1: Write the proportion equation
498,995.04 : 688,605.12 = 272,635.68 : x - Step 2: Convert to fraction form
498,995.04/688,605.12 = 272,635.68/x - Step 3: Cross multiply
498,995.04x = 688,605.12 × 272,635.68 - Step 4: Simplify right side
498,995.04x = 187,738,325,142.68 - Step 5: Solve for x
x = 187,738,325,142.68/498,995.04 - Step 6: Final answer
x = 376,232.85
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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.