Finding the Fourth Proportional to 342,124.99, 513,059.85 and 117,421.66
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Solution
The fourth proportional to 342,124.99, 513,059.85 and 117,421.66 is: 176,088.68
Step by Step Solution
- Step 1: Write the proportion equation
342,124.99 : 513,059.85 = 117,421.66 : x - Step 2: Convert to fraction form
342,124.99/513,059.85 = 117,421.66/x - Step 3: Cross multiply
342,124.99x = 513,059.85 × 117,421.66 - Step 4: Simplify right side
342,124.99x = 60,244,339,266.35 - Step 5: Solve for x
x = 60,244,339,266.35/342,124.99 - Step 6: Final answer
x = 176,088.68
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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.