Finding the Fourth Proportional to 340,622.58, 470,059.30 and 197,465.62
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Solution
The fourth proportional to 340,622.58, 470,059.30 and 197,465.62 is: 272,502.64
Step by Step Solution
- Step 1: Write the proportion equation
340,622.58 : 470,059.30 = 197,465.62 : x - Step 2: Convert to fraction form
340,622.58/470,059.30 = 197,465.62/x - Step 3: Cross multiply
340,622.58x = 470,059.30 × 197,465.62 - Step 4: Simplify right side
340,622.58x = 92,820,551,111.27 - Step 5: Solve for x
x = 92,820,551,111.27/340,622.58 - Step 6: Final answer
x = 272,502.64
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1.5x scale
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.