Finding the Fourth Proportional to 401,908.80, 602,344.80 and 307,948.80
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Solution
The fourth proportional to 401,908.80, 602,344.80 and 307,948.80 is: 461,525.99
Step by Step Solution
- Step 1: Write the proportion equation
401,908.80 : 602,344.80 = 307,948.80 : x - Step 2: Convert to fraction form
401,908.80/602,344.80 = 307,948.80/x - Step 3: Cross multiply
401,908.80x = 602,344.80 × 307,948.80 - Step 4: Simplify right side
401,908.80x = 185,491,358,346.24 - Step 5: Solve for x
x = 185,491,358,346.24/401,908.80 - Step 6: Final answer
x = 461,525.99
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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.