Finding the Fourth Proportional to 538,867.79, 808,364.21 and 179,070.75
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Solution
The fourth proportional to 538,867.79, 808,364.21 and 179,070.75 is: 268,626.90
Step by Step Solution
- Step 1: Write the proportion equation
538,867.79 : 808,364.21 = 179,070.75 : x - Step 2: Convert to fraction form
538,867.79/808,364.21 = 179,070.75/x - Step 3: Cross multiply
538,867.79x = 808,364.21 × 179,070.75 - Step 4: Simplify right side
538,867.79x = 144,754,380,420.68 - Step 5: Solve for x
x = 144,754,380,420.68/538,867.79 - Step 6: Final answer
x = 268,626.90
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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.