Finding the Fourth Proportional to 310,611.41, 465,827.05 and 121,029.49
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Solution
The fourth proportional to 310,611.41, 465,827.05 and 121,029.49 is: 181,509.14
Step by Step Solution
- Step 1: Write the proportion equation
310,611.41 : 465,827.05 = 121,029.49 : x - Step 2: Convert to fraction form
310,611.41/465,827.05 = 121,029.49/x - Step 3: Cross multiply
310,611.41x = 465,827.05 × 121,029.49 - Step 4: Simplify right side
310,611.41x = 56,378,811,023.28 - Step 5: Solve for x
x = 56,378,811,023.28/310,611.41 - Step 6: Final answer
x = 181,509.14
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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.