Finding the Fourth Proportional to 309,703.70, 464,241.80 and 209,873.99
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Solution
The fourth proportional to 309,703.70, 464,241.80 and 209,873.99 is: 314,598.36
Step by Step Solution
- Step 1: Write the proportion equation
309,703.70 : 464,241.80 = 209,873.99 : x - Step 2: Convert to fraction form
309,703.70/464,241.80 = 209,873.99/x - Step 3: Cross multiply
309,703.70x = 464,241.80 × 209,873.99 - Step 4: Simplify right side
309,703.70x = 97,432,275,520.20 - Step 5: Solve for x
x = 97,432,275,520.20/309,703.70 - Step 6: Final answer
x = 314,598.36
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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.