Finding the Fourth Proportional to 445,776.10, 615,009.58 and 292,896.63
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Solution
The fourth proportional to 445,776.10, 615,009.58 and 292,896.63 is: 404,091.28
Step by Step Solution
- Step 1: Write the proportion equation
445,776.10 : 615,009.58 = 292,896.63 : x - Step 2: Convert to fraction form
445,776.10/615,009.58 = 292,896.63/x - Step 3: Cross multiply
445,776.10x = 615,009.58 × 292,896.63 - Step 4: Simplify right side
445,776.10x = 180,134,232,667.47 - Step 5: Solve for x
x = 180,134,232,667.47/445,776.10 - Step 6: Final answer
x = 404,091.28
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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.