Finding the Fourth Proportional to 518,565.13, 715,619.88 and 292,218.73
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Solution
The fourth proportional to 518,565.13, 715,619.88 and 292,218.73 is: 403,261.84
Step by Step Solution
- Step 1: Write the proportion equation
518,565.13 : 715,619.88 = 292,218.73 : x - Step 2: Convert to fraction form
518,565.13/715,619.88 = 292,218.73/x - Step 3: Cross multiply
518,565.13x = 715,619.88 × 292,218.73 - Step 4: Simplify right side
518,565.13x = 209,117,528,918.25 - Step 5: Solve for x
x = 209,117,528,918.25/518,565.13 - Step 6: Final answer
x = 403,261.84
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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.