Finding the Fourth Proportional to 153,126.99, 229,672.26 and 40,815.63
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Solution
The fourth proportional to 153,126.99, 229,672.26 and 40,815.63 is: 61,218.59
Step by Step Solution
- Step 1: Write the proportion equation
153,126.99 : 229,672.26 = 40,815.63 : x - Step 2: Convert to fraction form
153,126.99/229,672.26 = 40,815.63/x - Step 3: Cross multiply
153,126.99x = 229,672.26 × 40,815.63 - Step 4: Simplify right side
153,126.99x = 9,374,217,985.42 - Step 5: Solve for x
x = 9,374,217,985.42/153,126.99 - Step 6: Final answer
x = 61,218.59
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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.