Finding the Fourth Proportional to 102,395.76, 153,582.12 and 28,529.52
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Solution
The fourth proportional to 102,395.76, 153,582.12 and 28,529.52 is: 42,791.07
Step by Step Solution
- Step 1: Write the proportion equation
102,395.76 : 153,582.12 = 28,529.52 : x - Step 2: Convert to fraction form
102,395.76/153,582.12 = 28,529.52/x - Step 3: Cross multiply
102,395.76x = 153,582.12 × 28,529.52 - Step 4: Simplify right side
102,395.76x = 4,381,624,164.18 - Step 5: Solve for x
x = 4,381,624,164.18/102,395.76 - Step 6: Final answer
x = 42,791.07
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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.