Finding the Fourth Proportional to 226,605.24, 312,708.98 and 124,630.72
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Solution
The fourth proportional to 226,605.24, 312,708.98 and 124,630.72 is: 171,986.95
Step by Step Solution
- Step 1: Write the proportion equation
226,605.24 : 312,708.98 = 124,630.72 : x - Step 2: Convert to fraction form
226,605.24/312,708.98 = 124,630.72/x - Step 3: Cross multiply
226,605.24x = 312,708.98 × 124,630.72 - Step 4: Simplify right side
226,605.24x = 38,973,144,857.67 - Step 5: Solve for x
x = 38,973,144,857.67/226,605.24 - Step 6: Final answer
x = 171,986.95
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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.