Finding the Fourth Proportional to 330,348.63, 455,913.02 and 185,178.98
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Solution
The fourth proportional to 330,348.63, 455,913.02 and 185,178.98 is: 255,564.88
Step by Step Solution
- Step 1: Write the proportion equation
330,348.63 : 455,913.02 = 185,178.98 : x - Step 2: Convert to fraction form
330,348.63/455,913.02 = 185,178.98/x - Step 3: Cross multiply
330,348.63x = 455,913.02 × 185,178.98 - Step 4: Simplify right side
330,348.63x = 84,425,508,226.21 - Step 5: Solve for x
x = 84,425,508,226.21/330,348.63 - Step 6: Final answer
x = 255,564.88
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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.