Finding the Fourth Proportional to 355,430.22, 533,178.74 and 130,794.94
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Solution
The fourth proportional to 355,430.22, 533,178.74 and 130,794.94 is: 196,204.70
Step by Step Solution
- Step 1: Write the proportion equation
355,430.22 : 533,178.74 = 130,794.94 : x - Step 2: Convert to fraction form
355,430.22/533,178.74 = 130,794.94/x - Step 3: Cross multiply
355,430.22x = 533,178.74 × 130,794.94 - Step 4: Simplify right side
355,430.22x = 69,737,081,307.58 - Step 5: Solve for x
x = 69,737,081,307.58/355,430.22 - Step 6: Final answer
x = 196,204.70
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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.