Finding the Fourth Proportional to 184,153.32, 254,128.98 and 103,580.76
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Solution
The fourth proportional to 184,153.32, 254,128.98 and 103,580.76 is: 142,939.99
Step by Step Solution
- Step 1: Write the proportion equation
184,153.32 : 254,128.98 = 103,580.76 : x - Step 2: Convert to fraction form
184,153.32/254,128.98 = 103,580.76/x - Step 3: Cross multiply
184,153.32x = 254,128.98 × 103,580.76 - Step 4: Simplify right side
184,153.32x = 26,322,872,886.42 - Step 5: Solve for x
x = 26,322,872,886.42/184,153.32 - Step 6: Final answer
x = 142,939.99
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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.