Finding the Fourth Proportional to 253,078.08, 349,232.76 and 139,894.08
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Solution
The fourth proportional to 253,078.08, 349,232.76 and 139,894.08 is: 193,045.54
Step by Step Solution
- Step 1: Write the proportion equation
253,078.08 : 349,232.76 = 139,894.08 : x - Step 2: Convert to fraction form
253,078.08/349,232.76 = 139,894.08/x - Step 3: Cross multiply
253,078.08x = 349,232.76 × 139,894.08 - Step 4: Simplify right side
253,078.08x = 48,855,595,666.06 - Step 5: Solve for x
x = 48,855,595,666.06/253,078.08 - Step 6: Final answer
x = 193,045.54
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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.