Finding the Fourth Proportional to 229,666.32, 316,950.08 and 127,702.26
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Solution
The fourth proportional to 229,666.32, 316,950.08 and 127,702.26 is: 176,234.99
Step by Step Solution
- Step 1: Write the proportion equation
229,666.32 : 316,950.08 = 127,702.26 : x - Step 2: Convert to fraction form
229,666.32/316,950.08 = 127,702.26/x - Step 3: Cross multiply
229,666.32x = 316,950.08 × 127,702.26 - Step 4: Simplify right side
229,666.32x = 40,475,241,523.18 - Step 5: Solve for x
x = 40,475,241,523.18/229,666.32 - Step 6: Final answer
x = 176,234.99
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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.