Finding the Fourth Proportional to 447,565.09, 617,652.75 and 243,629.23
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Solution
The fourth proportional to 447,565.09, 617,652.75 and 243,629.23 is: 336,215.37
Step by Step Solution
- Step 1: Write the proportion equation
447,565.09 : 617,652.75 = 243,629.23 : x - Step 2: Convert to fraction form
447,565.09/617,652.75 = 243,629.23/x - Step 3: Cross multiply
447,565.09x = 617,652.75 × 243,629.23 - Step 4: Simplify right side
447,565.09x = 150,478,263,889.88 - Step 5: Solve for x
x = 150,478,263,889.88/447,565.09 - Step 6: Final answer
x = 336,215.37
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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.