Finding the Fourth Proportional to 472,764.97, 652,414.71 and 257,904.96
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Solution
The fourth proportional to 472,764.97, 652,414.71 and 257,904.96 is: 355,908.32
Step by Step Solution
- Step 1: Write the proportion equation
472,764.97 : 652,414.71 = 257,904.96 : x - Step 2: Convert to fraction form
472,764.97/652,414.71 = 257,904.96/x - Step 3: Cross multiply
472,764.97x = 652,414.71 × 257,904.96 - Step 4: Simplify right side
472,764.97x = 168,260,986,423.89 - Step 5: Solve for x
x = 168,260,986,423.89/472,764.97 - Step 6: Final answer
x = 355,908.32
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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.