Finding the Fourth Proportional to 219,615.77, 303,073.02 and 122,830.08
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Solution
The fourth proportional to 219,615.77, 303,073.02 and 122,830.08 is: 169,507.34
Step by Step Solution
- Step 1: Write the proportion equation
219,615.77 : 303,073.02 = 122,830.08 : x - Step 2: Convert to fraction form
219,615.77/303,073.02 = 122,830.08/x - Step 3: Cross multiply
219,615.77x = 303,073.02 × 122,830.08 - Step 4: Simplify right side
219,615.77x = 37,226,483,292.44 - Step 5: Solve for x
x = 37,226,483,292.44/219,615.77 - Step 6: Final answer
x = 169,507.34
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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.