Finding the Fourth Proportional to 622,638.56, 934,089.05 and 201,881.63
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Solution
The fourth proportional to 622,638.56, 934,089.05 and 201,881.63 is: 302,864.98
Step by Step Solution
- Step 1: Write the proportion equation
622,638.56 : 934,089.05 = 201,881.63 : x - Step 2: Convert to fraction form
622,638.56/934,089.05 = 201,881.63/x - Step 3: Cross multiply
622,638.56x = 934,089.05 × 201,881.63 - Step 4: Simplify right side
622,638.56x = 188,575,415,813.41 - Step 5: Solve for x
x = 188,575,415,813.41/622,638.56 - Step 6: Final answer
x = 302,864.98
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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.