Finding the Fourth Proportional to 473,021.10, 709,511.67 and 220,214.70
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Solution
The fourth proportional to 473,021.10, 709,511.67 and 220,214.70 is: 330,312.75
Step by Step Solution
- Step 1: Write the proportion equation
473,021.10 : 709,511.67 = 220,214.70 : x - Step 2: Convert to fraction form
473,021.10/709,511.67 = 220,214.70/x - Step 3: Cross multiply
473,021.10x = 709,511.67 × 220,214.70 - Step 4: Simplify right side
473,021.10x = 156,244,899,555.55 - Step 5: Solve for x
x = 156,244,899,555.55/473,021.10 - Step 6: Final answer
x = 330,312.75
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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.