Finding the Fourth Proportional to 274,637.10, 411,955.65 and 97,149.90
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Solution
The fourth proportional to 274,637.10, 411,955.65 and 97,149.90 is: 145,724.85
Step by Step Solution
- Step 1: Write the proportion equation
274,637.10 : 411,955.65 = 97,149.90 : x - Step 2: Convert to fraction form
274,637.10/411,955.65 = 97,149.90/x - Step 3: Cross multiply
274,637.10x = 411,955.65 × 97,149.90 - Step 4: Simplify right side
274,637.10x = 40,021,450,201.94 - Step 5: Solve for x
x = 40,021,450,201.94/274,637.10 - Step 6: Final answer
x = 145,724.85
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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.