Finding the Fourth Proportional to 558,053.96, 836,589.76 and 221,331.02
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Solution
The fourth proportional to 558,053.96, 836,589.76 and 221,331.02 is: 331,801.72
Step by Step Solution
- Step 1: Write the proportion equation
558,053.96 : 836,589.76 = 221,331.02 : x - Step 2: Convert to fraction form
558,053.96/836,589.76 = 221,331.02/x - Step 3: Cross multiply
558,053.96x = 836,589.76 × 221,331.02 - Step 4: Simplify right side
558,053.96x = 185,163,260,166.08 - Step 5: Solve for x
x = 185,163,260,166.08/558,053.96 - Step 6: Final answer
x = 331,801.72
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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.