Finding the Fourth Proportional to 342,931.14, 514,208.79 and 106,208.10
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Solution
The fourth proportional to 342,931.14, 514,208.79 and 106,208.10 is: 159,253.95
Step by Step Solution
- Step 1: Write the proportion equation
342,931.14 : 514,208.79 = 106,208.10 : x - Step 2: Convert to fraction form
342,931.14/514,208.79 = 106,208.10/x - Step 3: Cross multiply
342,931.14x = 514,208.79 × 106,208.10 - Step 4: Simplify right side
342,931.14x = 54,613,138,589.20 - Step 5: Solve for x
x = 54,613,138,589.20/342,931.14 - Step 6: Final answer
x = 159,253.95
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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.