Finding the Fourth Proportional to 422,135.33, 582,547.68 and 228,545.06
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Solution
The fourth proportional to 422,135.33, 582,547.68 and 228,545.06 is: 315,392.68
Step by Step Solution
- Step 1: Write the proportion equation
422,135.33 : 582,547.68 = 228,545.06 : x - Step 2: Convert to fraction form
422,135.33/582,547.68 = 228,545.06/x - Step 3: Cross multiply
422,135.33x = 582,547.68 × 228,545.06 - Step 4: Simplify right side
422,135.33x = 133,138,391,565.72 - Step 5: Solve for x
x = 133,138,391,565.72/422,135.33 - Step 6: Final answer
x = 315,392.68
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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.