Finding the Fourth Proportional to 367,639.36, 507,213.12 and 240,389.44
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Solution
The fourth proportional to 367,639.36, 507,213.12 and 240,389.44 is: 331,652.95
Step by Step Solution
- Step 1: Write the proportion equation
367,639.36 : 507,213.12 = 240,389.44 : x - Step 2: Convert to fraction form
367,639.36/507,213.12 = 240,389.44/x - Step 3: Cross multiply
367,639.36x = 507,213.12 × 240,389.44 - Step 4: Simplify right side
367,639.36x = 121,928,677,877.45 - Step 5: Solve for x
x = 121,928,677,877.45/367,639.36 - Step 6: Final answer
x = 331,652.95
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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.