Finding the Fourth Proportional to 229,488.06, 316,702.26 and 127,521.09
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Solution
The fourth proportional to 229,488.06, 316,702.26 and 127,521.09 is: 175,983.96
Step by Step Solution
- Step 1: Write the proportion equation
229,488.06 : 316,702.26 = 127,521.09 : x - Step 2: Convert to fraction form
229,488.06/316,702.26 = 127,521.09/x - Step 3: Cross multiply
229,488.06x = 316,702.26 × 127,521.09 - Step 4: Simplify right side
229,488.06x = 40,386,217,400.66 - Step 5: Solve for x
x = 40,386,217,400.66/229,488.06 - Step 6: Final answer
x = 175,983.96
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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.