Finding the Fourth Proportional to 553,751.96, 764,177.67 and 299,103.14
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Solution
The fourth proportional to 553,751.96, 764,177.67 and 299,103.14 is: 412,762.32
Step by Step Solution
- Step 1: Write the proportion equation
553,751.96 : 764,177.67 = 299,103.14 : x - Step 2: Convert to fraction form
553,751.96/764,177.67 = 299,103.14/x - Step 3: Cross multiply
553,751.96x = 764,177.67 × 299,103.14 - Step 4: Simplify right side
553,751.96x = 228,567,942,525.33 - Step 5: Solve for x
x = 228,567,942,525.33/553,751.96 - Step 6: Final answer
x = 412,762.32
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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.