Finding the Fourth Proportional to 302,774.75, 417,829.17 and 168,638.75
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Solution
The fourth proportional to 302,774.75, 417,829.17 and 168,638.75 is: 232,721.48
Step by Step Solution
- Step 1: Write the proportion equation
302,774.75 : 417,829.17 = 168,638.75 : x - Step 2: Convert to fraction form
302,774.75/417,829.17 = 168,638.75/x - Step 3: Cross multiply
302,774.75x = 417,829.17 × 168,638.75 - Step 4: Simplify right side
302,774.75x = 70,462,188,942.34 - Step 5: Solve for x
x = 70,462,188,942.34/302,774.75 - Step 6: Final answer
x = 232,721.48
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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.