Finding the Fourth Proportional to 498,872.94, 688,444.68 and 272,518.44
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Solution
The fourth proportional to 498,872.94, 688,444.68 and 272,518.44 is: 376,075.46
Step by Step Solution
- Step 1: Write the proportion equation
498,872.94 : 688,444.68 = 272,518.44 : x - Step 2: Convert to fraction form
498,872.94/688,444.68 = 272,518.44/x - Step 3: Cross multiply
498,872.94x = 688,444.68 × 272,518.44 - Step 4: Simplify right side
498,872.94x = 187,613,870,219.90 - Step 5: Solve for x
x = 187,613,870,219.90/498,872.94 - Step 6: Final answer
x = 376,075.46
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1.5x scale
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.