Finding the Fourth Proportional to 686,193.84, 1,029,038.04 and 236,800.08
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Solution
The fourth proportional to 686,193.84, 1,029,038.04 and 236,800.08 is: 355,112.91
Step by Step Solution
- Step 1: Write the proportion equation
686,193.84 : 1,029,038.04 = 236,800.08 : x - Step 2: Convert to fraction form
686,193.84/1,029,038.04 = 236,800.08/x - Step 3: Cross multiply
686,193.84x = 1,029,038.04 × 236,800.08 - Step 4: Simplify right side
686,193.84x = 243,676,290,195.04 - Step 5: Solve for x
x = 243,676,290,195.04/686,193.84 - Step 6: Final answer
x = 355,112.91
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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.