Finding the Fourth Proportional to 153,129.24, 229,675.64 and 40,817.88
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Solution
The fourth proportional to 153,129.24, 229,675.64 and 40,817.88 is: 61,221.96
Step by Step Solution
- Step 1: Write the proportion equation
153,129.24 : 229,675.64 = 40,817.88 : x - Step 2: Convert to fraction form
153,129.24/229,675.64 = 40,817.88/x - Step 3: Cross multiply
153,129.24x = 229,675.64 × 40,817.88 - Step 4: Simplify right side
153,129.24x = 9,374,872,508.35 - Step 5: Solve for x
x = 9,374,872,508.35/153,129.24 - Step 6: Final answer
x = 61,221.96
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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.