Finding the Fourth Proportional to 214,128.16, 321,337.58 and 114,359.95
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Solution
The fourth proportional to 214,128.16, 321,337.58 and 114,359.95 is: 171,617.55
Step by Step Solution
- Step 1: Write the proportion equation
214,128.16 : 321,337.58 = 114,359.95 : x - Step 2: Convert to fraction form
214,128.16/321,337.58 = 114,359.95/x - Step 3: Cross multiply
214,128.16x = 321,337.58 × 114,359.95 - Step 4: Simplify right side
214,128.16x = 36,748,150,055.07 - Step 5: Solve for x
x = 36,748,150,055.07/214,128.16 - Step 6: Final answer
x = 171,617.55
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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.