Finding the Fourth Proportional to 187,408.16, 258,748.08 and 110,952.08
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Solution
The fourth proportional to 187,408.16, 258,748.08 and 110,952.08 is: 153,187.77
Step by Step Solution
- Step 1: Write the proportion equation
187,408.16 : 258,748.08 = 110,952.08 : x - Step 2: Convert to fraction form
187,408.16/258,748.08 = 110,952.08/x - Step 3: Cross multiply
187,408.16x = 258,748.08 × 110,952.08 - Step 4: Simplify right side
187,408.16x = 28,708,637,672.01 - Step 5: Solve for x
x = 28,708,637,672.01/187,408.16 - Step 6: Final answer
x = 153,187.77
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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.