Finding the Fourth Proportional to 368,380.08, 508,323.31 and 207,231.79
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Solution
The fourth proportional to 368,380.08, 508,323.31 and 207,231.79 is: 285,956.69
Step by Step Solution
- Step 1: Write the proportion equation
368,380.08 : 508,323.31 = 207,231.79 : x - Step 2: Convert to fraction form
368,380.08/508,323.31 = 207,231.79/x - Step 3: Cross multiply
368,380.08x = 508,323.31 × 207,231.79 - Step 4: Simplify right side
368,380.08x = 105,340,749,430.03 - Step 5: Solve for x
x = 105,340,749,430.03/368,380.08 - Step 6: Final answer
x = 285,956.69
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1.5x scale
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.