Finding the Fourth Proportional to 508,068.77, 761,438.84 and 208,198.26
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Solution
The fourth proportional to 508,068.77, 761,438.84 and 208,198.26 is: 312,025.17
Step by Step Solution
- Step 1: Write the proportion equation
508,068.77 : 761,438.84 = 208,198.26 : x - Step 2: Convert to fraction form
508,068.77/761,438.84 = 208,198.26/x - Step 3: Cross multiply
508,068.77x = 761,438.84 × 208,198.26 - Step 4: Simplify right side
508,068.77x = 158,530,241,714.54 - Step 5: Solve for x
x = 158,530,241,714.54/508,068.77 - Step 6: Final answer
x = 312,025.17
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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.