Finding the Fourth Proportional to 476,313.32, 657,177.72 and 306,645.68
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Solution
The fourth proportional to 476,313.32, 657,177.72 and 306,645.68 is: 423,084.34
Step by Step Solution
- Step 1: Write the proportion equation
476,313.32 : 657,177.72 = 306,645.68 : x - Step 2: Convert to fraction form
476,313.32/657,177.72 = 306,645.68/x - Step 3: Cross multiply
476,313.32x = 657,177.72 × 306,645.68 - Step 4: Simplify right side
476,313.32x = 201,520,708,830.25 - Step 5: Solve for x
x = 201,520,708,830.25/476,313.32 - Step 6: Final answer
x = 423,084.34
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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.