Finding the Fourth Proportional to 229,731.74, 316,983.34 and 134,219.98
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Solution
The fourth proportional to 229,731.74, 316,983.34 and 134,219.98 is: 185,196.43
Step by Step Solution
- Step 1: Write the proportion equation
229,731.74 : 316,983.34 = 134,219.98 : x - Step 2: Convert to fraction form
229,731.74/316,983.34 = 134,219.98/x - Step 3: Cross multiply
229,731.74x = 316,983.34 × 134,219.98 - Step 4: Simplify right side
229,731.74x = 42,545,497,555.13 - Step 5: Solve for x
x = 42,545,497,555.13/229,731.74 - Step 6: Final answer
x = 185,196.43
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1.5x scale
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.