Finding the Fourth Proportional to 114,830.24, 158,457.84 and 64,536.80
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Solution
The fourth proportional to 114,830.24, 158,457.84 and 64,536.80 is: 89,056.35
Step by Step Solution
- Step 1: Write the proportion equation
114,830.24 : 158,457.84 = 64,536.80 : x - Step 2: Convert to fraction form
114,830.24/158,457.84 = 64,536.80/x - Step 3: Cross multiply
114,830.24x = 158,457.84 × 64,536.80 - Step 4: Simplify right side
114,830.24x = 10,226,361,928.51 - Step 5: Solve for x
x = 10,226,361,928.51/114,830.24 - Step 6: Final answer
x = 89,056.35
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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.