Finding the Fourth Proportional to 368,542.07, 508,586.42 and 207,399.80
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Solution
The fourth proportional to 368,542.07, 508,586.42 and 207,399.80 is: 286,210.81
Step by Step Solution
- Step 1: Write the proportion equation
368,542.07 : 508,586.42 = 207,399.80 : x - Step 2: Convert to fraction form
368,542.07/508,586.42 = 207,399.80/x - Step 3: Cross multiply
368,542.07x = 508,586.42 × 207,399.80 - Step 4: Simplify right side
368,542.07x = 105,480,723,580.68 - Step 5: Solve for x
x = 105,480,723,580.68/368,542.07 - Step 6: Final answer
x = 286,210.81
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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.