Finding the Fourth Proportional to 447,425.36, 617,459.98 and 243,489.44
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Solution
The fourth proportional to 447,425.36, 617,459.98 and 243,489.44 is: 336,022.49
Step by Step Solution
- Step 1: Write the proportion equation
447,425.36 : 617,459.98 = 243,489.44 : x - Step 2: Convert to fraction form
447,425.36/617,459.98 = 243,489.44/x - Step 3: Cross multiply
447,425.36x = 617,459.98 × 243,489.44 - Step 4: Simplify right side
447,425.36x = 150,344,982,750.34 - Step 5: Solve for x
x = 150,344,982,750.34/447,425.36 - Step 6: Final answer
x = 336,022.49
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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.