Finding the Fourth Proportional to 108,574.05, 162,856.08 and 29,688.09
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Solution
The fourth proportional to 108,574.05, 162,856.08 and 29,688.09 is: 44,530.77
Step by Step Solution
- Step 1: Write the proportion equation
108,574.05 : 162,856.08 = 29,688.09 : x - Step 2: Convert to fraction form
108,574.05/162,856.08 = 29,688.09/x - Step 3: Cross multiply
108,574.05x = 162,856.08 × 29,688.09 - Step 4: Simplify right side
108,574.05x = 4,834,885,960.09 - Step 5: Solve for x
x = 4,834,885,960.09/108,574.05 - Step 6: Final answer
x = 44,530.77
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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.