Finding the Fourth Proportional to 355,703.20, 533,372.40 and 106,352.80
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Solution
The fourth proportional to 355,703.20, 533,372.40 and 106,352.80 is: 159,474.66
Step by Step Solution
- Step 1: Write the proportion equation
355,703.20 : 533,372.40 = 106,352.80 : x - Step 2: Convert to fraction form
355,703.20/533,372.40 = 106,352.80/x - Step 3: Cross multiply
355,703.20x = 533,372.40 × 106,352.80 - Step 4: Simplify right side
355,703.20x = 56,725,648,182.72 - Step 5: Solve for x
x = 56,725,648,182.72/355,703.20 - Step 6: Final answer
x = 159,474.66
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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.