Finding the Fourth Proportional to 369,939.07, 554,933.68 and 130,023.81
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Solution
The fourth proportional to 369,939.07, 554,933.68 and 130,023.81 is: 195,044.52
Step by Step Solution
- Step 1: Write the proportion equation
369,939.07 : 554,933.68 = 130,023.81 : x - Step 2: Convert to fraction form
369,939.07/554,933.68 = 130,023.81/x - Step 3: Cross multiply
369,939.07x = 554,933.68 × 130,023.81 - Step 4: Simplify right side
369,939.07x = 72,154,590,216.49 - Step 5: Solve for x
x = 72,154,590,216.49/369,939.07 - Step 6: Final answer
x = 195,044.52
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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.