Finding the Fourth Proportional to 360,619.02, 497,497.77 and 217,297.62
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Solution
The fourth proportional to 360,619.02, 497,497.77 and 217,297.62 is: 299,776.43
Step by Step Solution
- Step 1: Write the proportion equation
360,619.02 : 497,497.77 = 217,297.62 : x - Step 2: Convert to fraction form
360,619.02/497,497.77 = 217,297.62/x - Step 3: Cross multiply
360,619.02x = 497,497.77 × 217,297.62 - Step 4: Simplify right side
360,619.02x = 108,105,081,376.31 - Step 5: Solve for x
x = 108,105,081,376.31/360,619.02 - Step 6: Final answer
x = 299,776.43
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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.