Finding the Fourth Proportional to 187,386.19, 258,717.68 and 110,929.88
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Solution
The fourth proportional to 187,386.19, 258,717.68 and 110,929.88 is: 153,157.08
Step by Step Solution
- Step 1: Write the proportion equation
187,386.19 : 258,717.68 = 110,929.88 : x - Step 2: Convert to fraction form
187,386.19/258,717.68 = 110,929.88/x - Step 3: Cross multiply
187,386.19x = 258,717.68 × 110,929.88 - Step 4: Simplify right side
187,386.19x = 28,699,521,704.41 - Step 5: Solve for x
x = 28,699,521,704.41/187,386.19 - Step 6: Final answer
x = 153,157.08
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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.