Finding the Fourth Proportional to 208,547.70, 312,821.55 and 182,303.70
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Solution
The fourth proportional to 208,547.70, 312,821.55 and 182,303.70 is: 273,455.55
Step by Step Solution
- Step 1: Write the proportion equation
208,547.70 : 312,821.55 = 182,303.70 : x - Step 2: Convert to fraction form
208,547.70/312,821.55 = 182,303.70/x - Step 3: Cross multiply
208,547.70x = 312,821.55 × 182,303.70 - Step 4: Simplify right side
208,547.70x = 57,028,526,004.74 - Step 5: Solve for x
x = 57,028,526,004.74/208,547.70 - Step 6: Final answer
x = 273,455.55
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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.