Finding the Fourth Proportional to 256,226.79, 353,565.99 and 148,775.79
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Solution
The fourth proportional to 256,226.79, 353,565.99 and 148,775.79 is: 205,294.92
Step by Step Solution
- Step 1: Write the proportion equation
256,226.79 : 353,565.99 = 148,775.79 : x - Step 2: Convert to fraction form
256,226.79/353,565.99 = 148,775.79/x - Step 3: Cross multiply
256,226.79x = 353,565.99 × 148,775.79 - Step 4: Simplify right side
256,226.79x = 52,602,059,479.38 - Step 5: Solve for x
x = 52,602,059,479.38/256,226.79 - Step 6: Final answer
x = 205,294.92
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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.