Finding the Fourth Proportional to 368,781.74, 552,231.21 and 294,010.93
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Solution
The fourth proportional to 368,781.74, 552,231.21 and 294,010.93 is: 440,265.86
Step by Step Solution
- Step 1: Write the proportion equation
368,781.74 : 552,231.21 = 294,010.93 : x - Step 2: Convert to fraction form
368,781.74/552,231.21 = 294,010.93/x - Step 3: Cross multiply
368,781.74x = 552,231.21 × 294,010.93 - Step 4: Simplify right side
368,781.74x = 162,362,011,627.13 - Step 5: Solve for x
x = 162,362,011,627.13/368,781.74 - Step 6: Final answer
x = 440,265.86
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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.