Finding the Fourth Proportional to 518,546.91, 715,569.08 and 292,206.99
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Solution
The fourth proportional to 518,546.91, 715,569.08 and 292,206.99 is: 403,231.19
Step by Step Solution
- Step 1: Write the proportion equation
518,546.91 : 715,569.08 = 292,206.99 : x - Step 2: Convert to fraction form
518,546.91/715,569.08 = 292,206.99/x - Step 3: Cross multiply
518,546.91x = 715,569.08 × 292,206.99 - Step 4: Simplify right side
518,546.91x = 209,094,285,542.83 - Step 5: Solve for x
x = 209,094,285,542.83/518,546.91 - Step 6: Final answer
x = 403,231.19
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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.