Finding the Fourth Proportional to 569,206.10, 853,809.14 and 214,299.74
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Solution
The fourth proportional to 569,206.10, 853,809.14 and 214,299.74 is: 321,449.60
Step by Step Solution
- Step 1: Write the proportion equation
569,206.10 : 853,809.14 = 214,299.74 : x - Step 2: Convert to fraction form
569,206.10/853,809.14 = 214,299.74/x - Step 3: Cross multiply
569,206.10x = 853,809.14 × 214,299.74 - Step 4: Simplify right side
569,206.10x = 182,971,071,371.08 - Step 5: Solve for x
x = 182,971,071,371.08/569,206.10 - Step 6: Final answer
x = 321,449.60
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1.5x scale
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.