Finding the Fourth Proportional to 152,336.18, 210,221.36 and 84,351.68
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Solution
The fourth proportional to 152,336.18, 210,221.36 and 84,351.68 is: 116,403.90
Step by Step Solution
- Step 1: Write the proportion equation
152,336.18 : 210,221.36 = 84,351.68 : x - Step 2: Convert to fraction form
152,336.18/210,221.36 = 84,351.68/x - Step 3: Cross multiply
152,336.18x = 210,221.36 × 84,351.68 - Step 4: Simplify right side
152,336.18x = 17,732,524,887.88 - Step 5: Solve for x
x = 17,732,524,887.88/152,336.18 - Step 6: Final answer
x = 116,403.90
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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.