Finding the Fourth Proportional to 447,697.58, 617,818.94 and 243,748.08
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Solution
The fourth proportional to 447,697.58, 617,818.94 and 243,748.08 is: 336,370.32
Step by Step Solution
- Step 1: Write the proportion equation
447,697.58 : 617,818.94 = 243,748.08 : x - Step 2: Convert to fraction form
447,697.58/617,818.94 = 243,748.08/x - Step 3: Cross multiply
447,697.58x = 617,818.94 × 243,748.08 - Step 4: Simplify right side
447,697.58x = 150,592,180,412.64 - Step 5: Solve for x
x = 150,592,180,412.64/447,697.58 - Step 6: Final answer
x = 336,370.32
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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.