Finding the Fourth Proportional to 368,410.87, 508,406.21 and 207,266.03
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Solution
The fourth proportional to 368,410.87, 508,406.21 and 207,266.03 is: 286,026.68
Step by Step Solution
- Step 1: Write the proportion equation
368,410.87 : 508,406.21 = 207,266.03 : x - Step 2: Convert to fraction form
368,410.87/508,406.21 = 207,266.03/x - Step 3: Cross multiply
368,410.87x = 508,406.21 × 207,266.03 - Step 4: Simplify right side
368,410.87x = 105,375,336,774.05 - Step 5: Solve for x
x = 105,375,336,774.05/368,410.87 - Step 6: Final answer
x = 286,026.68
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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.