Finding the Fourth Proportional to 228,967.80, 343,451.70 and 104,551.80
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Solution
The fourth proportional to 228,967.80, 343,451.70 and 104,551.80 is: 156,827.70
Step by Step Solution
- Step 1: Write the proportion equation
228,967.80 : 343,451.70 = 104,551.80 : x - Step 2: Convert to fraction form
228,967.80/343,451.70 = 104,551.80/x - Step 3: Cross multiply
228,967.80x = 343,451.70 × 104,551.80 - Step 4: Simplify right side
228,967.80x = 35,908,493,448.06 - Step 5: Solve for x
x = 35,908,493,448.06/228,967.80 - Step 6: Final answer
x = 156,827.70
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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.