Finding the Fourth Proportional to 447,532.68, 617,595.12 and 243,584.40
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Solution
The fourth proportional to 447,532.68, 617,595.12 and 243,584.40 is: 336,146.48
Step by Step Solution
- Step 1: Write the proportion equation
447,532.68 : 617,595.12 = 243,584.40 : x - Step 2: Convert to fraction form
447,532.68/617,595.12 = 243,584.40/x - Step 3: Cross multiply
447,532.68x = 617,595.12 × 243,584.40 - Step 4: Simplify right side
447,532.68x = 150,436,536,748.13 - Step 5: Solve for x
x = 150,436,536,748.13/447,532.68 - Step 6: Final answer
x = 336,146.48
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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.