Finding the Fourth Proportional to 229,159.46, 316,235.29 and 127,178.99
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Solution
The fourth proportional to 229,159.46, 316,235.29 and 127,178.99 is: 175,504.36
Step by Step Solution
- Step 1: Write the proportion equation
229,159.46 : 316,235.29 = 127,178.99 : x - Step 2: Convert to fraction form
229,159.46/316,235.29 = 127,178.99/x - Step 3: Cross multiply
229,159.46x = 316,235.29 × 127,178.99 - Step 4: Simplify right side
229,159.46x = 40,218,484,784.56 - Step 5: Solve for x
x = 40,218,484,784.56/229,159.46 - Step 6: Final answer
x = 175,504.36
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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.