Finding the Fourth Proportional to 163,574.71, 245,373.73 and 43,630.99
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Solution
The fourth proportional to 163,574.71, 245,373.73 and 43,630.99 is: 65,449.59
Step by Step Solution
- Step 1: Write the proportion equation
163,574.71 : 245,373.73 = 43,630.99 : x - Step 2: Convert to fraction form
163,574.71/245,373.73 = 43,630.99/x - Step 3: Cross multiply
163,574.71x = 245,373.73 × 43,630.99 - Step 4: Simplify right side
163,574.71x = 10,705,898,037.38 - Step 5: Solve for x
x = 10,705,898,037.38/163,574.71 - Step 6: Final answer
x = 65,449.59
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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.