Finding the Fourth Proportional to 152,457.60, 228,538.80 and 68,170.08
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Solution
The fourth proportional to 152,457.60, 228,538.80 and 68,170.08 is: 102,189.12
Step by Step Solution
- Step 1: Write the proportion equation
152,457.60 : 228,538.80 = 68,170.08 : x - Step 2: Convert to fraction form
152,457.60/228,538.80 = 68,170.08/x - Step 3: Cross multiply
152,457.60x = 228,538.80 × 68,170.08 - Step 4: Simplify right side
152,457.60x = 15,579,508,279.10 - Step 5: Solve for x
x = 15,579,508,279.10/152,457.60 - Step 6: Final answer
x = 102,189.12
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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.