Finding the Fourth Proportional to 507,743.75, 700,682.03 and 278,313.79
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Solution
The fourth proportional to 507,743.75, 700,682.03 and 278,313.79 is: 384,070.65
Step by Step Solution
- Step 1: Write the proportion equation
507,743.75 : 700,682.03 = 278,313.79 : x - Step 2: Convert to fraction form
507,743.75/700,682.03 = 278,313.79/x - Step 3: Cross multiply
507,743.75x = 700,682.03 × 278,313.79 - Step 4: Simplify right side
507,743.75x = 195,009,471,354.19 - Step 5: Solve for x
x = 195,009,471,354.19/507,743.75 - Step 6: Final answer
x = 384,070.65
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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.