Finding the Fourth Proportional to 135,656.84, 203,484.62 and 42,162.44
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Solution
The fourth proportional to 135,656.84, 203,484.62 and 42,162.44 is: 63,243.46
Step by Step Solution
- Step 1: Write the proportion equation
135,656.84 : 203,484.62 = 42,162.44 : x - Step 2: Convert to fraction form
135,656.84/203,484.62 = 42,162.44/x - Step 3: Cross multiply
135,656.84x = 203,484.62 × 42,162.44 - Step 4: Simplify right side
135,656.84x = 8,579,408,081.67 - Step 5: Solve for x
x = 8,579,408,081.67/135,656.84 - Step 6: Final answer
x = 63,243.46
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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.