Finding the Fourth Proportional to 563,221.12, 777,245.04 and 336,920.08
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Solution
The fourth proportional to 563,221.12, 777,245.04 and 336,920.08 is: 464,949.65
Step by Step Solution
- Step 1: Write the proportion equation
563,221.12 : 777,245.04 = 336,920.08 : x - Step 2: Convert to fraction form
563,221.12/777,245.04 = 336,920.08/x - Step 3: Cross multiply
563,221.12x = 777,245.04 × 336,920.08 - Step 4: Simplify right side
563,221.12x = 261,869,461,056.40 - Step 5: Solve for x
x = 261,869,461,056.40/563,221.12 - Step 6: Final answer
x = 464,949.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.