Finding the Fourth Proportional to 257,827.38, 386,751.51 and 122,822.01
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Solution
The fourth proportional to 257,827.38, 386,751.51 and 122,822.01 is: 184,237.99
Step by Step Solution
- Step 1: Write the proportion equation
257,827.38 : 386,751.51 = 122,822.01 : x - Step 2: Convert to fraction form
257,827.38/386,751.51 = 122,822.01/x - Step 3: Cross multiply
257,827.38x = 386,751.51 × 122,822.01 - Step 4: Simplify right side
257,827.38x = 47,501,597,828.74 - Step 5: Solve for x
x = 47,501,597,828.74/257,827.38 - Step 6: Final answer
x = 184,237.99
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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.