Finding the Fourth Proportional to 351,339.75, 527,024.21 and 102,021.75
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Solution
The fourth proportional to 351,339.75, 527,024.21 and 102,021.75 is: 153,036.86
Step by Step Solution
- Step 1: Write the proportion equation
351,339.75 : 527,024.21 = 102,021.75 : x - Step 2: Convert to fraction form
351,339.75/527,024.21 = 102,021.75/x - Step 3: Cross multiply
351,339.75x = 527,024.21 × 102,021.75 - Step 4: Simplify right side
351,339.75x = 53,767,931,686.46 - Step 5: Solve for x
x = 53,767,931,686.46/351,339.75 - Step 6: Final answer
x = 153,036.86
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1.5x scale
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.