Finding the Fourth Proportional to 472,645.13, 652,794.39 and 344,158.07
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Solution
The fourth proportional to 472,645.13, 652,794.39 and 344,158.07 is: 475,334.33
Step by Step Solution
- Step 1: Write the proportion equation
472,645.13 : 652,794.39 = 344,158.07 : x - Step 2: Convert to fraction form
472,645.13/652,794.39 = 344,158.07/x - Step 3: Cross multiply
472,645.13x = 652,794.39 × 344,158.07 - Step 4: Simplify right side
472,645.13x = 224,664,454,105.26 - Step 5: Solve for x
x = 224,664,454,105.26/472,645.13 - Step 6: Final answer
x = 475,334.33
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1.5x scale
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.