Finding the Fourth Proportional to 472,960.10, 652,698.81 and 258,113.99
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Solution
The fourth proportional to 472,960.10, 652,698.81 and 258,113.99 is: 356,204.87
Step by Step Solution
- Step 1: Write the proportion equation
472,960.10 : 652,698.81 = 258,113.99 : x - Step 2: Convert to fraction form
472,960.10/652,698.81 = 258,113.99/x - Step 3: Cross multiply
472,960.10x = 652,698.81 × 258,113.99 - Step 4: Simplify right side
472,960.10x = 168,470,690,853.86 - Step 5: Solve for x
x = 168,470,690,853.86/472,960.10 - Step 6: Final answer
x = 356,204.87
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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.