Finding the Fourth Proportional to 291,306.96, 436,746.60 and 122,820.48
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Solution
The fourth proportional to 291,306.96, 436,746.60 and 122,820.48 is: 184,140.56
Step by Step Solution
- Step 1: Write the proportion equation
291,306.96 : 436,746.60 = 122,820.48 : x - Step 2: Convert to fraction form
291,306.96/436,746.60 = 122,820.48/x - Step 3: Cross multiply
291,306.96x = 436,746.60 × 122,820.48 - Step 4: Simplify right side
291,306.96x = 53,641,427,050.37 - Step 5: Solve for x
x = 53,641,427,050.37/291,306.96 - Step 6: Final answer
x = 184,140.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.