Finding the Fourth Proportional to 247,128.86, 370,270.06 and 134,887.84
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Solution
The fourth proportional to 247,128.86, 370,270.06 and 134,887.84 is: 202,100.75
Step by Step Solution
- Step 1: Write the proportion equation
247,128.86 : 370,270.06 = 134,887.84 : x - Step 2: Convert to fraction form
247,128.86/370,270.06 = 134,887.84/x - Step 3: Cross multiply
247,128.86x = 370,270.06 × 134,887.84 - Step 4: Simplify right side
247,128.86x = 49,944,927,347.18 - Step 5: Solve for x
x = 49,944,927,347.18/247,128.86 - Step 6: Final answer
x = 202,100.75
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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.