Finding the Fourth Proportional to 250,935.20, 346,245.90 and 142,038.99
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Solution
The fourth proportional to 250,935.20, 346,245.90 and 142,038.99 is: 195,988.52
Step by Step Solution
- Step 1: Write the proportion equation
250,935.20 : 346,245.90 = 142,038.99 : x - Step 2: Convert to fraction form
250,935.20/346,245.90 = 142,038.99/x - Step 3: Cross multiply
250,935.20x = 346,245.90 × 142,038.99 - Step 4: Simplify right side
250,935.20x = 49,180,417,927.64 - Step 5: Solve for x
x = 49,180,417,927.64/250,935.20 - Step 6: Final answer
x = 195,988.52
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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.