Finding the Fourth Proportional to 152,320.68, 228,628.68 and 73,490.28
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Solution
The fourth proportional to 152,320.68, 228,628.68 and 73,490.28 is: 110,306.66
Step by Step Solution
- Step 1: Write the proportion equation
152,320.68 : 228,628.68 = 73,490.28 : x - Step 2: Convert to fraction form
152,320.68/228,628.68 = 73,490.28/x - Step 3: Cross multiply
152,320.68x = 228,628.68 × 73,490.28 - Step 4: Simplify right side
152,320.68x = 16,801,985,709.23 - Step 5: Solve for x
x = 16,801,985,709.23/152,320.68 - Step 6: Final answer
x = 110,306.66
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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.