Finding the Fourth Proportional to 331,248.02, 457,122.36 and 186,054.03
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Solution
The fourth proportional to 331,248.02, 457,122.36 and 186,054.03 is: 256,754.61
Step by Step Solution
- Step 1: Write the proportion equation
331,248.02 : 457,122.36 = 186,054.03 : x - Step 2: Convert to fraction form
331,248.02/457,122.36 = 186,054.03/x - Step 3: Cross multiply
331,248.02x = 457,122.36 × 186,054.03 - Step 4: Simplify right side
331,248.02x = 85,049,457,281.11 - Step 5: Solve for x
x = 85,049,457,281.11/331,248.02 - Step 6: Final answer
x = 256,754.61
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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.