Finding the Fourth Proportional to 219,412.70, 307,592.50 and 219,412.70
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Solution
The fourth proportional to 219,412.70, 307,592.50 and 219,412.70 is: 307,592.50
Step by Step Solution
- Step 1: Write the proportion equation
219,412.70 : 307,592.50 = 219,412.70 : x - Step 2: Convert to fraction form
219,412.70/307,592.50 = 219,412.70/x - Step 3: Cross multiply
219,412.70x = 307,592.50 × 219,412.70 - Step 4: Simplify right side
219,412.70x = 67,489,700,924.75 - Step 5: Solve for x
x = 67,489,700,924.75/219,412.70 - Step 6: Final answer
x = 307,592.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.