Finding the Fourth Proportional to 228,420.99, 342,630.41 and 152,358.75
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Solution
The fourth proportional to 228,420.99, 342,630.41 and 152,358.75 is: 228,537.40
Step by Step Solution
- Step 1: Write the proportion equation
228,420.99 : 342,630.41 = 152,358.75 : x - Step 2: Convert to fraction form
228,420.99/342,630.41 = 152,358.75/x - Step 3: Cross multiply
228,420.99x = 342,630.41 × 152,358.75 - Step 4: Simplify right side
228,420.99x = 52,202,740,217.79 - Step 5: Solve for x
x = 52,202,740,217.79/228,420.99 - Step 6: Final answer
x = 228,537.40
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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.