Finding the Fourth Proportional to 440,159.49, 607,422.62 and 258,879.06
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Solution
The fourth proportional to 440,159.49, 607,422.62 and 258,879.06 is: 357,254.59
Step by Step Solution
- Step 1: Write the proportion equation
440,159.49 : 607,422.62 = 258,879.06 : x - Step 2: Convert to fraction form
440,159.49/607,422.62 = 258,879.06/x - Step 3: Cross multiply
440,159.49x = 607,422.62 × 258,879.06 - Step 4: Simplify right side
440,159.49x = 157,248,997,535.54 - Step 5: Solve for x
x = 157,248,997,535.54/440,159.49 - Step 6: Final answer
x = 357,254.59
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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.