Finding the Fourth Proportional to 187,558.13, 258,830.18 and 102,675.19
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Solution
The fourth proportional to 187,558.13, 258,830.18 and 102,675.19 is: 141,691.74
Step by Step Solution
- Step 1: Write the proportion equation
187,558.13 : 258,830.18 = 102,675.19 : x - Step 2: Convert to fraction form
187,558.13/258,830.18 = 102,675.19/x - Step 3: Cross multiply
187,558.13x = 258,830.18 × 102,675.19 - Step 4: Simplify right side
187,558.13x = 26,575,437,909.23 - Step 5: Solve for x
x = 26,575,437,909.23/187,558.13 - Step 6: Final answer
x = 141,691.74
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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.