Finding the Fourth Proportional to 368,083.40, 552,125.10 and 210,327.80
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Solution
The fourth proportional to 368,083.40, 552,125.10 and 210,327.80 is: 315,491.70
Step by Step Solution
- Step 1: Write the proportion equation
368,083.40 : 552,125.10 = 210,327.80 : x - Step 2: Convert to fraction form
368,083.40/552,125.10 = 210,327.80/x - Step 3: Cross multiply
368,083.40x = 552,125.10 × 210,327.80 - Step 4: Simplify right side
368,083.40x = 116,127,257,607.78 - Step 5: Solve for x
x = 116,127,257,607.78/368,083.40 - Step 6: Final answer
x = 315,491.70
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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.