Finding the Fourth Proportional to 368,491.08, 508,516.76 and 207,346.44
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Solution
The fourth proportional to 368,491.08, 508,516.76 and 207,346.44 is: 286,137.56
Step by Step Solution
- Step 1: Write the proportion equation
368,491.08 : 508,516.76 = 207,346.44 : x - Step 2: Convert to fraction form
368,491.08/508,516.76 = 207,346.44/x - Step 3: Cross multiply
368,491.08x = 508,516.76 × 207,346.44 - Step 4: Simplify right side
368,491.08x = 105,439,139,866.33 - Step 5: Solve for x
x = 105,439,139,866.33/368,491.08 - Step 6: Final answer
x = 286,137.56
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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.