Finding the Fourth Proportional to 312,343.76, 468,603.12 and 125,486.48
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Solution
The fourth proportional to 312,343.76, 468,603.12 and 125,486.48 is: 188,264.87
Step by Step Solution
- Step 1: Write the proportion equation
312,343.76 : 468,603.12 = 125,486.48 : x - Step 2: Convert to fraction form
312,343.76/468,603.12 = 125,486.48/x - Step 3: Cross multiply
312,343.76x = 468,603.12 × 125,486.48 - Step 4: Simplify right side
312,343.76x = 58,803,356,045.82 - Step 5: Solve for x
x = 58,803,356,045.82/312,343.76 - Step 6: Final answer
x = 188,264.87
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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.