Finding the Fourth Proportional to 631,702.26, 947,449.58 and 226,810.65
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Solution
The fourth proportional to 631,702.26, 947,449.58 and 226,810.65 is: 340,178.70
Step by Step Solution
- Step 1: Write the proportion equation
631,702.26 : 947,449.58 = 226,810.65 : x - Step 2: Convert to fraction form
631,702.26/947,449.58 = 226,810.65/x - Step 3: Cross multiply
631,702.26x = 947,449.58 × 226,810.65 - Step 4: Simplify right side
631,702.26x = 214,891,653,947.97 - Step 5: Solve for x
x = 214,891,653,947.97/631,702.26 - Step 6: Final answer
x = 340,178.70
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1.5x scale
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.