Finding the Fourth Proportional to 285,225.36, 393,616.68 and 170,622.12
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Solution
The fourth proportional to 285,225.36, 393,616.68 and 170,622.12 is: 235,461.93
Step by Step Solution
- Step 1: Write the proportion equation
285,225.36 : 393,616.68 = 170,622.12 : x - Step 2: Convert to fraction form
285,225.36/393,616.68 = 170,622.12/x - Step 3: Cross multiply
285,225.36x = 393,616.68 × 170,622.12 - Step 4: Simplify right side
285,225.36x = 67,159,712,408.96 - Step 5: Solve for x
x = 67,159,712,408.96/285,225.36 - Step 6: Final answer
x = 235,461.93
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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.