Finding the Fourth Proportional to 178,478.58, 246,307.26 and 97,909.50
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Solution
The fourth proportional to 178,478.58, 246,307.26 and 97,909.50 is: 135,118.85
Step by Step Solution
- Step 1: Write the proportion equation
178,478.58 : 246,307.26 = 97,909.50 : x - Step 2: Convert to fraction form
178,478.58/246,307.26 = 97,909.50/x - Step 3: Cross multiply
178,478.58x = 246,307.26 × 97,909.50 - Step 4: Simplify right side
178,478.58x = 24,115,820,672.97 - Step 5: Solve for x
x = 24,115,820,672.97/178,478.58 - Step 6: Final answer
x = 135,118.85
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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.