Finding the Fourth Proportional to 370,818.63, 555,898.06 and 134,108.68
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Solution
The fourth proportional to 370,818.63, 555,898.06 and 134,108.68 is: 201,043.72
Step by Step Solution
- Step 1: Write the proportion equation
370,818.63 : 555,898.06 = 134,108.68 : x - Step 2: Convert to fraction form
370,818.63/555,898.06 = 134,108.68/x - Step 3: Cross multiply
370,818.63x = 555,898.06 × 134,108.68 - Step 4: Simplify right side
370,818.63x = 74,550,755,041.16 - Step 5: Solve for x
x = 74,550,755,041.16/370,818.63 - Step 6: Final answer
x = 201,043.72
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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.