Finding the Fourth Proportional to 134,931.18, 202,226.67 and 68,388.06
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Solution
The fourth proportional to 134,931.18, 202,226.67 and 68,388.06 is: 102,495.88
Step by Step Solution
- Step 1: Write the proportion equation
134,931.18 : 202,226.67 = 68,388.06 : x - Step 2: Convert to fraction form
134,931.18/202,226.67 = 68,388.06/x - Step 3: Cross multiply
134,931.18x = 202,226.67 × 68,388.06 - Step 4: Simplify right side
134,931.18x = 13,829,889,641.56 - Step 5: Solve for x
x = 13,829,889,641.56/134,931.18 - Step 6: Final answer
x = 102,495.88
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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.