Finding the Fourth Proportional to 479,322.68, 661,347.36 and 293,007.08
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Solution
The fourth proportional to 479,322.68, 661,347.36 and 293,007.08 is: 404,277.68
Step by Step Solution
- Step 1: Write the proportion equation
479,322.68 : 661,347.36 = 293,007.08 : x - Step 2: Convert to fraction form
479,322.68/661,347.36 = 293,007.08/x - Step 3: Cross multiply
479,322.68x = 661,347.36 × 293,007.08 - Step 4: Simplify right side
479,322.68x = 193,779,458,819.31 - Step 5: Solve for x
x = 193,779,458,819.31/479,322.68 - Step 6: Final answer
x = 404,277.68
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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.