Finding the Fourth Proportional to 307,787.60, 461,638.20 and 97,446.80
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Solution
The fourth proportional to 307,787.60, 461,638.20 and 97,446.80 is: 146,156.52
Step by Step Solution
- Step 1: Write the proportion equation
307,787.60 : 461,638.20 = 97,446.80 : x - Step 2: Convert to fraction form
307,787.60/461,638.20 = 97,446.80/x - Step 3: Cross multiply
307,787.60x = 461,638.20 × 97,446.80 - Step 4: Simplify right side
307,787.60x = 44,985,165,347.76 - Step 5: Solve for x
x = 44,985,165,347.76/307,787.60 - Step 6: Final answer
x = 146,156.52
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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.