Finding the Fourth Proportional to 355,285.24, 533,011.74 and 115,398.40
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Solution
The fourth proportional to 355,285.24, 533,011.74 and 115,398.40 is: 173,124.84
Step by Step Solution
- Step 1: Write the proportion equation
355,285.24 : 533,011.74 = 115,398.40 : x - Step 2: Convert to fraction form
355,285.24/533,011.74 = 115,398.40/x - Step 3: Cross multiply
355,285.24x = 533,011.74 × 115,398.40 - Step 4: Simplify right side
355,285.24x = 61,508,701,977.22 - Step 5: Solve for x
x = 61,508,701,977.22/355,285.24 - Step 6: Final answer
x = 173,124.84
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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.