Finding the Fourth Proportional to 507,790.24, 700,751.12 and 281,435.92
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Solution
The fourth proportional to 507,790.24, 700,751.12 and 281,435.92 is: 388,381.90
Step by Step Solution
- Step 1: Write the proportion equation
507,790.24 : 700,751.12 = 281,435.92 : x - Step 2: Convert to fraction form
507,790.24/700,751.12 = 281,435.92/x - Step 3: Cross multiply
507,790.24x = 700,751.12 × 281,435.92 - Step 4: Simplify right side
507,790.24x = 197,216,536,148.23 - Step 5: Solve for x
x = 197,216,536,148.23/507,790.24 - Step 6: Final answer
x = 388,381.90
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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.