Finding the Fourth Proportional to 205,038.07, 307,409.48 and 125,988.95
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Solution
The fourth proportional to 205,038.07, 307,409.48 and 125,988.95 is: 188,892.72
Step by Step Solution
- Step 1: Write the proportion equation
205,038.07 : 307,409.48 = 125,988.95 : x - Step 2: Convert to fraction form
205,038.07/307,409.48 = 125,988.95/x - Step 3: Cross multiply
205,038.07x = 307,409.48 × 125,988.95 - Step 4: Simplify right side
205,038.07x = 38,730,198,216.28 - Step 5: Solve for x
x = 38,730,198,216.28/205,038.07 - Step 6: Final answer
x = 188,892.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.