Finding the Fourth Proportional to 447,262.73, 617,226.57 and 243,318.09
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Solution
The fourth proportional to 447,262.73, 617,226.57 and 243,318.09 is: 335,781.15
Step by Step Solution
- Step 1: Write the proportion equation
447,262.73 : 617,226.57 = 243,318.09 : x - Step 2: Convert to fraction form
447,262.73/617,226.57 = 243,318.09/x - Step 3: Cross multiply
447,262.73x = 617,226.57 × 243,318.09 - Step 4: Simplify right side
447,262.73x = 150,182,390,109.65 - Step 5: Solve for x
x = 150,182,390,109.65/447,262.73 - Step 6: Final answer
x = 335,781.15
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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.