Finding the Fourth Proportional to 353,358.84, 487,632.82 and 200,426.79
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Solution
The fourth proportional to 353,358.84, 487,632.82 and 200,426.79 is: 276,587.62
Step by Step Solution
- Step 1: Write the proportion equation
353,358.84 : 487,632.82 = 200,426.79 : x - Step 2: Convert to fraction form
353,358.84/487,632.82 = 200,426.79/x - Step 3: Cross multiply
353,358.84x = 487,632.82 × 200,426.79 - Step 4: Simplify right side
353,358.84x = 97,734,680,811.25 - Step 5: Solve for x
x = 97,734,680,811.25/353,358.84 - Step 6: Final answer
x = 276,587.62
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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.