Finding the Fourth Proportional to 558,895.20, 838,342.80 and 203,920.80
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Solution
The fourth proportional to 558,895.20, 838,342.80 and 203,920.80 is: 305,881.20
Step by Step Solution
- Step 1: Write the proportion equation
558,895.20 : 838,342.80 = 203,920.80 : x - Step 2: Convert to fraction form
558,895.20/838,342.80 = 203,920.80/x - Step 3: Cross multiply
558,895.20x = 838,342.80 × 203,920.80 - Step 4: Simplify right side
558,895.20x = 170,955,534,450.24 - Step 5: Solve for x
x = 170,955,534,450.24/558,895.20 - Step 6: Final answer
x = 305,881.20
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1.5x scale
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.