Finding the Fourth Proportional to 106,953.12, 160,466.14 and 40,412.44
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Solution
The fourth proportional to 106,953.12, 160,466.14 and 40,412.44 is: 60,632.44
Step by Step Solution
- Step 1: Write the proportion equation
106,953.12 : 160,466.14 = 40,412.44 : x - Step 2: Convert to fraction form
106,953.12/160,466.14 = 40,412.44/x - Step 3: Cross multiply
106,953.12x = 160,466.14 × 40,412.44 - Step 4: Simplify right side
106,953.12x = 6,484,828,254.78 - Step 5: Solve for x
x = 6,484,828,254.78/106,953.12 - Step 6: Final answer
x = 60,632.44
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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.