Finding the Fourth Proportional to 307,742.90, 461,657.55 and 97,358.90
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Solution
The fourth proportional to 307,742.90, 461,657.55 and 97,358.90 is: 146,052.02
Step by Step Solution
- Step 1: Write the proportion equation
307,742.90 : 461,657.55 = 97,358.90 : x - Step 2: Convert to fraction form
307,742.90/461,657.55 = 97,358.90/x - Step 3: Cross multiply
307,742.90x = 461,657.55 × 97,358.90 - Step 4: Simplify right side
307,742.90x = 44,946,471,244.70 - Step 5: Solve for x
x = 44,946,471,244.70/307,742.90 - Step 6: Final answer
x = 146,052.02
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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.