Finding the Fourth Proportional to 187,416.03, 258,633.84 and 102,533.09
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Solution
The fourth proportional to 187,416.03, 258,633.84 and 102,533.09 is: 141,495.51
Step by Step Solution
- Step 1: Write the proportion equation
187,416.03 : 258,633.84 = 102,533.09 : x - Step 2: Convert to fraction form
187,416.03/258,633.84 = 102,533.09/x - Step 3: Cross multiply
187,416.03x = 258,633.84 × 102,533.09 - Step 4: Simplify right side
187,416.03x = 26,518,526,793.77 - Step 5: Solve for x
x = 26,518,526,793.77/187,416.03 - Step 6: Final answer
x = 141,495.51
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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.