Finding the Fourth Proportional to 270,628.20, 373,457.70 and 149,774.58
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Solution
The fourth proportional to 270,628.20, 373,457.70 and 149,774.58 is: 206,683.82
Step by Step Solution
- Step 1: Write the proportion equation
270,628.20 : 373,457.70 = 149,774.58 : x - Step 2: Convert to fraction form
270,628.20/373,457.70 = 149,774.58/x - Step 3: Cross multiply
270,628.20x = 373,457.70 × 149,774.58 - Step 4: Simplify right side
270,628.20x = 55,934,470,165.27 - Step 5: Solve for x
x = 55,934,470,165.27/270,628.20 - Step 6: Final answer
x = 206,683.82
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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.