Finding the Fourth Proportional to 163,742.96, 245,461.08 and 149,134.88
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Solution
The fourth proportional to 163,742.96, 245,461.08 and 149,134.88 is: 223,562.64
Step by Step Solution
- Step 1: Write the proportion equation
163,742.96 : 245,461.08 = 149,134.88 : x - Step 2: Convert to fraction form
163,742.96/245,461.08 = 149,134.88/x - Step 3: Cross multiply
163,742.96x = 245,461.08 × 149,134.88 - Step 4: Simplify right side
163,742.96x = 36,606,808,710.47 - Step 5: Solve for x
x = 36,606,808,710.47/163,742.96 - Step 6: Final answer
x = 223,562.64
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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.