Finding the Fourth Proportional to 307,689.52, 461,551.08 and 97,311.76
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Solution
The fourth proportional to 307,689.52, 461,551.08 and 97,311.76 is: 145,972.95
Step by Step Solution
- Step 1: Write the proportion equation
307,689.52 : 461,551.08 = 97,311.76 : x - Step 2: Convert to fraction form
307,689.52/461,551.08 = 97,311.76/x - Step 3: Cross multiply
307,689.52x = 461,551.08 × 97,311.76 - Step 4: Simplify right side
307,689.52x = 44,914,347,924.70 - Step 5: Solve for x
x = 44,914,347,924.70/307,689.52 - Step 6: Final answer
x = 145,972.95
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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.