Finding the Fourth Proportional to 375,225.05, 517,810.77 and 203,143.05
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Solution
The fourth proportional to 375,225.05, 517,810.77 and 203,143.05 is: 280,337.52
Step by Step Solution
- Step 1: Write the proportion equation
375,225.05 : 517,810.77 = 203,143.05 : x - Step 2: Convert to fraction form
375,225.05/517,810.77 = 203,143.05/x - Step 3: Cross multiply
375,225.05x = 517,810.77 × 203,143.05 - Step 4: Simplify right side
375,225.05x = 105,189,659,140.65 - Step 5: Solve for x
x = 105,189,659,140.65/375,225.05 - Step 6: Final answer
x = 280,337.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.