Finding the Fourth Proportional to 368,491.24, 508,511.94 and 207,346.21
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Solution
The fourth proportional to 368,491.24, 508,511.94 and 207,346.21 is: 286,134.41
Step by Step Solution
- Step 1: Write the proportion equation
368,491.24 : 508,511.94 = 207,346.21 : x - Step 2: Convert to fraction form
368,491.24/508,511.94 = 207,346.21/x - Step 3: Cross multiply
368,491.24x = 508,511.94 × 207,346.21 - Step 4: Simplify right side
368,491.24x = 105,438,023,498.75 - Step 5: Solve for x
x = 105,438,023,498.75/368,491.24 - Step 6: Final answer
x = 286,134.41
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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.