Finding the Fourth Proportional to 307,774.30, 460,611.15 and 257,910.70
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Solution
The fourth proportional to 307,774.30, 460,611.15 and 257,910.70 is: 385,985.91
Step by Step Solution
- Step 1: Write the proportion equation
307,774.30 : 460,611.15 = 257,910.70 : x - Step 2: Convert to fraction form
307,774.30/460,611.15 = 257,910.70/x - Step 3: Cross multiply
307,774.30x = 460,611.15 × 257,910.70 - Step 4: Simplify right side
307,774.30x = 118,796,544,124.31 - Step 5: Solve for x
x = 118,796,544,124.31/307,774.30 - Step 6: Final answer
x = 385,985.91
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1.5x scale
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.